diff --git a/consensus/leader.go b/consensus/leader.go
index 3f1f4d2..8f6160f 100644
--- a/consensus/leader.go
+++ b/consensus/leader.go
@@ -28,7 +28,7 @@ func ComputeVRF(sign SignFunc, worker peer.ID, sigInput []byte) ([]byte, error)
 }
 
 func VerifyVRF(worker peer.ID, vrfBase, vrfproof []byte) error {
-	err := sigs.Verify(&types.Signature{Type: types.SigTypeEd25519, Data: vrfproof}, worker, vrfBase)
+	err := sigs.Verify(&types.Signature{Type: types.SigTypeEd25519, Data: vrfproof}, []byte(worker), vrfBase)
 	if err != nil {
 		return xerrors.Errorf("vrf was invalid: %w", err)
 	}
diff --git a/consensus/miner.go b/consensus/miner.go
index 313f0ae..dd83739 100644
--- a/consensus/miner.go
+++ b/consensus/miner.go
@@ -132,7 +132,6 @@ func (m *Miner) MineTask(ctx context.Context, event *oracleEmitter.OracleEmitter
 	if err != nil {
 		return nil, xerrors.Errorf("couldn't do rpc request: %w", err)
 	}
-	bres := []byte(res)
 
 	return &types.DioneTask{
 		OriginChain:   event.OriginChain,
@@ -143,7 +142,7 @@ func (m *Miner) MineTask(ctx context.Context, event *oracleEmitter.OracleEmitter
 		Ticket:        ticket,
 		ElectionProof: winner,
 		BeaconEntries: beaconValues,
-		Payload:       bres,
+		Payload:       res,
 		DrandRound:    types.DrandRound(randomBase.Round),
 	}, nil
 }
diff --git a/consensus/pre_prepare_pool.go b/consensus/pre_prepare_pool.go
index d221ae1..6e9c700 100644
--- a/consensus/pre_prepare_pool.go
+++ b/consensus/pre_prepare_pool.go
@@ -1,6 +1,7 @@
 package consensus
 
 import (
+	"bytes"
 	"fmt"
 
 	oracleEmitter "github.com/Secured-Finance/dione/contracts/oracleemitter"
@@ -9,7 +10,9 @@ import (
 
 	"github.com/filecoin-project/go-state-types/crypto"
 
+	ftypes "github.com/Secured-Finance/dione/rpc/filecoin/types"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/filecoin-project/go-state-types/crypto"
 
 	types2 "github.com/Secured-Finance/dione/consensus/types"
 	"github.com/Secured-Finance/dione/sigs"
@@ -92,6 +95,18 @@ func (ppp *PrePreparePool) IsValidPrePrepare(prePrepare *types2.Message) bool {
 
 		logrus.Errorf("the incoming task and cached request event don't match!")
 		return false
+	// === verify filecoin message signature ===
+	if consensusMsg.Task.RequestType == "GetTransaction" && consensusMsg.Task.OriginChain == 1 {
+		var msg ftypes.SignedMessage
+		if err := msg.UnmarshalCBOR(bytes.NewReader(consensusMsg.Task.Payload)); err != nil {
+			if err := msg.Message.UnmarshalCBOR(bytes.NewReader(consensusMsg.Task.Payload)); err != nil {
+				return false
+			}
+		}
+
+		if err = sigs.Verify(msg.Signature, msg.Message.From.Bytes(), msg.Message.Cid().Bytes()); err != nil {
+			logrus.Errorf("Couldn't verify transaction %v", err)
+		}
 	}
 	/////////////////////////////////
 
diff --git a/consensus/utils.go b/consensus/utils.go
index 1c247f3..87e67f4 100644
--- a/consensus/utils.go
+++ b/consensus/utils.go
@@ -16,7 +16,7 @@ func verifyTaskSignature(msg types.ConsensusMessage) error {
 	}
 	err = sigs.Verify(
 		&types2.Signature{Type: types2.SigTypeEd25519, Data: msg.Signature},
-		msg.Task.Miner,
+		[]byte(msg.Task.Miner.String()),
 		[]byte(fmt.Sprintf("%v", cHash)),
 	)
 	if err != nil {
diff --git a/eth-contracts/.soliumignore b/eth-contracts/.soliumignore
new file mode 100644
index 0000000..15c47af
--- /dev/null
+++ b/eth-contracts/.soliumignore
@@ -0,0 +1,2 @@
+node_modules
+contracts/Migrations.sol
diff --git a/eth-contracts/.soliumrc.json b/eth-contracts/.soliumrc.json
new file mode 100644
index 0000000..1adcb88
--- /dev/null
+++ b/eth-contracts/.soliumrc.json
@@ -0,0 +1,20 @@
+{
+  "extends": "solium:recommended",
+  "plugins": [
+    "security"
+  ],
+  "rules": {
+    "quotes": [
+      "error",
+      "double"
+    ],
+    "indentation": [
+      "error",
+      4
+    ],
+    "linebreak-style": [
+      "error",
+      "unix"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/eth-contracts/contracts/DioneOracle.sol b/eth-contracts/contracts/DioneOracle.sol
index 8d8956f..c9a0b59 100644
--- a/eth-contracts/contracts/DioneOracle.sol
+++ b/eth-contracts/contracts/DioneOracle.sol
@@ -4,14 +4,19 @@ pragma solidity ^0.6.12;
 import "@openzeppelin/contracts/math/SafeMath.sol";
 import "@openzeppelin/contracts/access/Ownable.sol";
 
-import "./interfaces/DioneStakingInterface.sol";
+import "./interfaces/IDioneStaking.sol";
 
 contract DioneOracle is Ownable {
   using SafeMath for uint256;
   
+  // Global counter of oracle requests, works as an index in mapping structures
   uint256 private requestCounter;
+  // Maximum time for computing oracle request
   uint256 constant public MAXIMUM_DELAY = 5 minutes;
-  DioneStakingInterface public dioneStaking;
+  // Dione staking contract
+  IDioneStaking public dioneStaking;
+  // Minimum amount of DIONE tokens required to vote against miner result
+  uint256 public minimumDisputeFee = 100**18;
 
   struct OracleRequest {
     uint8 originChain; // origin blockchain for request
@@ -51,7 +56,7 @@ contract DioneOracle is Ownable {
   );
 
   modifier onlyPendingRequest(uint256 _reqID) {
-    require(pendingRequests[_reqID] != 0, "Invalid requestId");
+    require(pendingRequests[_reqID] != 0, "This request is not pending");
     _;
   }
 
@@ -60,7 +65,7 @@ contract DioneOracle is Ownable {
     _;
   }
 
-  constructor(DioneStakingInterface _dioneStaking) public {
+  constructor(IDioneStaking _dioneStaking) public {
       dioneStaking = _dioneStaking;
   }
 
@@ -83,7 +88,7 @@ contract DioneOracle is Ownable {
     emit CancelOracleRequest(_reqID);
   }
 
-  function submitOracleRequest(string memory _requestParams, address _callbackAddress, bytes4 _callbackMethodID, uint256 _reqID, uint256 _requestDeadline, bytes memory _data) public onlyActiveNode returns (bool) {
+  function submitOracleRequest(string memory _requestParams, address _callbackAddress, bytes4 _callbackMethodID, uint256 _reqID, uint256 _requestDeadline, bytes memory _data) public onlyPendingRequest(_reqID) onlyActiveNode returns (bool) {
     bytes32 requestHash = keccak256(abi.encodePacked(_requestParams, _callbackAddress, _callbackMethodID, _reqID, _requestDeadline));
     require(pendingRequests[_reqID] == requestHash, "Params do not match request ID");
     delete pendingRequests[_reqID];
diff --git a/eth-contracts/contracts/interfaces/DioneStakingInterface.sol b/eth-contracts/contracts/interfaces/IDioneStaking.sol
similarity index 91%
rename from eth-contracts/contracts/interfaces/DioneStakingInterface.sol
rename to eth-contracts/contracts/interfaces/IDioneStaking.sol
index 2710957..e196d23 100644
--- a/eth-contracts/contracts/interfaces/DioneStakingInterface.sol
+++ b/eth-contracts/contracts/interfaces/IDioneStaking.sol
@@ -1,6 +1,8 @@
+// SPDX-License-Identifier: MIT
+
 pragma solidity ^0.6.0;
 
-interface DioneStakingInterface {
+interface IDioneStaking {
     function mine(address _minerAddr) external;
     function mineAndStake(address _minerAddr) external;
     function stake(uint256 _amount) external;
diff --git a/eth-contracts/contracts/interfaces/IDioneToken.sol b/eth-contracts/contracts/interfaces/IDioneToken.sol
new file mode 100644
index 0000000..07219a4
--- /dev/null
+++ b/eth-contracts/contracts/interfaces/IDioneToken.sol
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity >=0.6.0 <0.8.0;
+
+/**
+ * @dev Interface of the ERC20 standard as defined in the EIP.
+ */
+interface IDioneToken {
+    /**
+     * @dev Returns the amount of tokens in existence.
+     */
+    function totalSupply() external view returns (uint256);
+
+    /**
+     * @dev Returns the amount of tokens owned by `account`.
+     */
+    function balanceOf(address account) external view returns (uint256);
+
+    /**
+     * @dev Moves `amount` tokens from the caller's account to `recipient`.
+     *
+     * Returns a boolean value indicating whether the operation succeeded.
+     *
+     * Emits a {Transfer} event.
+     */
+    function transfer(address recipient, uint256 amount) external returns (bool);
+
+    /**
+     * @dev Returns the remaining number of tokens that `spender` will be
+     * allowed to spend on behalf of `owner` through {transferFrom}. This is
+     * zero by default.
+     *
+     * This value changes when {approve} or {transferFrom} are called.
+     */
+    function allowance(address owner, address spender) external view returns (uint256);
+
+    /**
+     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
+     *
+     * Returns a boolean value indicating whether the operation succeeded.
+     *
+     * IMPORTANT: Beware that changing an allowance with this method brings the risk
+     * that someone may use both the old and the new allowance by unfortunate
+     * transaction ordering. One possible solution to mitigate this race
+     * condition is to first reduce the spender's allowance to 0 and set the
+     * desired value afterwards:
+     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
+     *
+     * Emits an {Approval} event.
+     */
+    function approve(address spender, uint256 amount) external returns (bool);
+
+    /**
+     * @dev Moves `amount` tokens from `sender` to `recipient` using the
+     * allowance mechanism. `amount` is then deducted from the caller's
+     * allowance.
+     *
+     * Returns a boolean value indicating whether the operation succeeded.
+     *
+     * Emits a {Transfer} event.
+     */
+    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
+
+    /**
+     * @dev Emitted when `value` tokens are moved from one account (`from`) to
+     * another (`to`).
+     *
+     * Note that `value` may be zero.
+     */
+    event Transfer(address indexed from, address indexed to, uint256 value);
+
+    /**
+     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
+     * a call to {approve}. `value` is the new allowance.
+     */
+    event Approval(address indexed owner, address indexed spender, uint256 value);
+
+    /// @notice Creates `_amount` token to `_to`. Must only be called by the owner (MasterChef).
+    function mint(address _to, uint256 _amount) external;
+
+    /// @notice An event thats emitted when an account changes its delegate
+    event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);
+
+    /// @notice An event thats emitted when a delegate account's vote balance changes
+    event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance);
+
+    /**
+     * @notice Delegate votes from `msg.sender` to `delegatee`
+     * @param delegator The address to get delegatee for
+     */
+    function delegates(address delegator) external view returns (address);
+
+   /**
+    * @notice Delegate votes from `msg.sender` to `delegatee`
+    * @param delegatee The address to delegate votes to
+    */
+    function delegate(address delegatee) external;
+
+    /**
+     * @notice Delegates votes from signatory to `delegatee`
+     * @param delegatee The address to delegate votes to
+     * @param nonce The contract state required to match the signature
+     * @param expiry The time at which to expire the signature
+     * @param v The recovery byte of the signature
+     * @param r Half of the ECDSA signature pair
+     * @param s Half of the ECDSA signature pair
+     */
+    function delegateBySig(address delegatee, uint nonce, uint expiry, uint8 v, bytes32 r, bytes32 s) external;
+
+    /**
+     * @notice Gets the current votes balance for `account`
+     * @param account The address to get votes balance
+     * @return The number of current votes for `account`
+     */
+    function getCurrentVotes(address account) external view returns (uint256);
+
+    /**
+     * @notice Determine the prior number of votes for an account as of a block number
+     * @dev Block number must be a finalized block or else this function will revert to prevent misinformation.
+     * @param account The address of the account to check
+     * @param blockNumber The block number to get the vote balance at
+     * @return The number of votes the account had as of the given block
+     */
+    function getPriorVotes(address account, uint blockNumber) external view returns (uint256);
+}
diff --git a/eth-contracts/package-lock.json b/eth-contracts/package-lock.json
index e26eca9..3268024 100644
--- a/eth-contracts/package-lock.json
+++ b/eth-contracts/package-lock.json
@@ -591,11 +591,34 @@
         "sprintf-js": "~1.0.2"
       }
     },
+    "arr-diff": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-2.0.0.tgz",
+      "integrity": "sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=",
+      "requires": {
+        "arr-flatten": "^1.0.1"
+      }
+    },
+    "arr-flatten": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
+      "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg=="
+    },
+    "arr-union": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
+      "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ="
+    },
     "array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
+    "array-unique": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.2.1.tgz",
+      "integrity": "sha1-odl8yvy8JiXMcPrc6zalDFiwGlM="
+    },
     "array.prototype.map": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array.prototype.map/-/array.prototype.map-1.0.2.tgz",
@@ -630,6 +653,11 @@
       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
     },
+    "assign-symbols": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
+      "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c="
+    },
     "async": {
       "version": "2.6.3",
       "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
@@ -638,6 +666,11 @@
         "lodash": "^4.17.14"
       }
     },
+    "async-each": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/async-each/-/async-each-1.0.3.tgz",
+      "integrity": "sha512-z/WhQ5FPySLdvREByI2vZiTWwCnF0moMJ1hK9YQwDTHKh6I7/uSckMetoRGb5UBZPC1z0jlw+n/XCgjeH7y1AQ=="
+    },
     "async-eventemitter": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/async-eventemitter/-/async-eventemitter-0.2.4.tgz",
@@ -656,6 +689,11 @@
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
     },
+    "atob": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz",
+      "integrity": "sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg=="
+    },
     "await-semaphore": {
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/await-semaphore/-/await-semaphore-0.1.3.tgz",
@@ -684,6 +722,66 @@
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
     },
+    "base": {
+      "version": "0.11.2",
+      "resolved": "https://registry.npmjs.org/base/-/base-0.11.2.tgz",
+      "integrity": "sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==",
+      "requires": {
+        "cache-base": "^1.0.1",
+        "class-utils": "^0.3.5",
+        "component-emitter": "^1.2.1",
+        "define-property": "^1.0.0",
+        "isobject": "^3.0.1",
+        "mixin-deep": "^1.2.0",
+        "pascalcase": "^0.1.1"
+      },
+      "dependencies": {
+        "define-property": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
+          "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
+          "requires": {
+            "is-descriptor": "^1.0.0"
+          }
+        },
+        "is-accessor-descriptor": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
+          "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
+          "requires": {
+            "kind-of": "^6.0.0"
+          }
+        },
+        "is-data-descriptor": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
+          "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
+          "requires": {
+            "kind-of": "^6.0.0"
+          }
+        },
+        "is-descriptor": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
+          "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
+          "requires": {
+            "is-accessor-descriptor": "^1.0.0",
+            "is-data-descriptor": "^1.0.0",
+            "kind-of": "^6.0.2"
+          }
+        },
+        "isobject": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+        },
+        "kind-of": {
+          "version": "6.0.3",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.3.tgz",
+          "integrity": "sha512-dcS1ul+9tmeD95T+x28/ehLgd9mENa3LsvDTtzm3vyBEO7RPptvAD+t44WVXaUjTBRcrpFeFlC8WCruUR456hw=="
+        }
+      }
+    },
     "base-x": {
       "version": "3.0.8",
       "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.8.tgz",
@@ -925,6 +1023,29 @@
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
       "integrity": "sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg=="
     },
+    "cache-base": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
+      "integrity": "sha512-AKcdTnFSWATd5/GCPRxr2ChwIJ85CeyrEyjRHlKxQ56d4XJMGym0uAiKn0xbLOGOl3+yRpOTi484dVCEc5AUzQ==",
+      "requires": {
+        "collection-visit": "^1.0.0",
+        "component-emitter": "^1.2.1",
+        "get-value": "^2.0.6",
+        "has-value": "^1.0.0",
+        "isobject": "^3.0.1",
+        "set-value": "^2.0.0",
+        "to-object-path": "^0.3.0",
+        "union-value": "^1.0.0",
+        "unset-value": "^1.0.0"
+      },
+      "dependencies": {
+        "isobject": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+        }
+      }
+    },
     "cacheable-request": {
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/cacheable-request/-/cacheable-request-6.1.0.tgz",
@@ -1049,6 +1170,32 @@
       "resolved": "https://registry.npmjs.org/class-is/-/class-is-1.1.0.tgz",
       "integrity": "sha512-rhjH9AG1fvabIDoGRVH587413LPjTZgmDF9fOFCbFJQV4yuocX1mHxxvXI4g3cGwbVY9wAYIoKlg1N79frJKQw=="
     },
+    "class-utils": {
+      "version": "0.3.6",
+      "resolved": "https://registry.npmjs.org/class-utils/-/class-utils-0.3.6.tgz",
+      "integrity": "sha512-qOhPa/Fj7s6TY8H8esGu5QNpMMQxz79h+urzrNYN6mn+9BnxlDGf5QZ+XeCDsxSjPqsSR56XOZOJmpeurnLMeg==",
+      "requires": {
+        "arr-union": "^3.1.0",
+        "define-property": "^0.2.5",
+        "isobject": "^3.0.0",
+        "static-extend": "^0.1.1"
+      },
+      "dependencies": {
+        "define-property": {
+          "version": "0.2.5",
+          "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
+          "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
+          "requires": {
+            "is-descriptor": "^0.1.0"
+          }
+        },
+        "isobject": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+        }
+      }
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+          "requires": {
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+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
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+            "strip-ansi": "^3.0.1"
+          },
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+              "requires": {
+                "code-point-at": "^1.0.0",
+                "is-fullwidth-code-point": "^1.0.0",
+                "strip-ansi": "^3.0.0"
+              }
+            },
+            "strip-ansi": {
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+              "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+              "requires": {
+                "ansi-regex": "^2.0.0"
+              }
+            }
+          }
+        },
+        "y18n": {
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+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
+          "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE="
+        },
+        "yargs": {
+          "version": "10.1.2",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-10.1.2.tgz",
+          "integrity": "sha512-ivSoxqBGYOqQVruxD35+EyCFDYNEFL/Uo6FcOnz+9xZdZzK0Zzw4r4KhbrME1Oo2gOggwJod2MnsdamSG7H9ig==",
+          "requires": {
+            "cliui": "^4.0.0",
+            "decamelize": "^1.1.1",
+            "find-up": "^2.1.0",
+            "get-caller-file": "^1.0.1",
+            "os-locale": "^2.0.0",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^1.0.1",
+            "set-blocking": "^2.0.0",
+            "string-width": "^2.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^3.2.1",
+            "yargs-parser": "^8.1.0"
+          }
+        },
+        "yargs-parser": {
+          "version": "8.1.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-8.1.0.tgz",
+          "integrity": "sha512-yP+6QqN8BmrgW2ggLtTbdrOyBNSI7zBa4IykmiV5R1wl1JWNxQvWhMfMdmzIYtKU7oP3OOInY/tl2ov3BDjnJQ==",
+          "requires": {
+            "camelcase": "^4.1.0"
+          }
+        }
+      }
+    },
     "source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
       "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
     },
+    "source-map-resolve": {
+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.3.tgz",
+      "integrity": "sha512-Htz+RnsXWk5+P2slx5Jh3Q66vhQj1Cllm0zvnaY98+NFx+Dv2CF/f5O/t8x+KaNdrdIAsruNzoh/KpialbqAnw==",
+      "requires": {
+        "atob": "^2.1.2",
+        "decode-uri-component": "^0.2.0",
+        "resolve-url": "^0.2.1",
+        "source-map-url": "^0.4.0",
+        "urix": "^0.1.0"
+      }
+    },
     "source-map-support": {
       "version": "0.5.19",
       "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.19.tgz",
@@ -3924,6 +5695,19 @@
         "source-map": "^0.6.0"
       }
     },
+    "source-map-url": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/source-map-url/-/source-map-url-0.4.0.tgz",
+      "integrity": "sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM="
+    },
+    "split-string": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/split-string/-/split-string-3.1.0.tgz",
+      "integrity": "sha512-NzNVhJDYpwceVVii8/Hu6DKfD2G+NrQHlS/V/qgv763EYudVwEcMQNxd2lh+0VrUByXN/oJkl5grOhYWvQUYiw==",
+      "requires": {
+        "extend-shallow": "^3.0.0"
+      }
+    },
     "sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -3950,6 +5734,25 @@
       "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
       "integrity": "sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA="
     },
+    "static-extend": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/static-extend/-/static-extend-0.1.2.tgz",
+      "integrity": "sha1-YICcOcv/VTNyJv1eC1IPNB8ftcY=",
+      "requires": {
+        "define-property": "^0.2.5",
+        "object-copy": "^0.1.0"
+      },
+      "dependencies": {
+        "define-property": {
+          "version": "0.2.5",
+          "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
+          "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
+          "requires": {
+            "is-descriptor": "^0.1.0"
+          }
+        }
+      }
+    },
     "statuses": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
@@ -4003,6 +5806,11 @@
         "ansi-regex": "^3.0.0"
       }
     },
+    "strip-eof": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
+      "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8="
+    },
     "strip-hex-prefix": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/strip-hex-prefix/-/strip-hex-prefix-1.0.0.tgz",
@@ -4124,6 +5932,11 @@
       "resolved": "https://registry.npmjs.org/text-hex/-/text-hex-1.0.0.tgz",
       "integrity": "sha512-uuVGNWzgJ4yhRaNSiubPY7OjISw4sw4E5Uv0wbjp+OzcbmVU/rsT8ujgcXJhn9ypzsgr5vlzpPqP+MBBKcGvbg=="
     },
+    "text-table": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
+      "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ="
+    },
     "timed-out": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/timed-out/-/timed-out-4.0.1.tgz",
@@ -4134,11 +5947,30 @@
       "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
       "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4="
     },
+    "to-object-path": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/to-object-path/-/to-object-path-0.3.0.tgz",
+      "integrity": "sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=",
+      "requires": {
+        "kind-of": "^3.0.2"
+      }
+    },
     "to-readable-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/to-readable-stream/-/to-readable-stream-1.0.0.tgz",
       "integrity": "sha512-Iq25XBt6zD5npPhlLVXGFN3/gyR2/qODcKNNyTMd4vbm39HUaOiAM4PMq0eMVC/Tkxz+Zjdsc55g9yyz+Yq00Q=="
     },
+    "to-regex": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/to-regex/-/to-regex-3.0.2.tgz",
+      "integrity": "sha512-FWtleNAtZ/Ki2qtqej2CXTOayOH9bHDQF+Q48VpWyDXjbYxA4Yz8iDB31zXOBUlOHHKidDbqGVrTUvQMPmBGBw==",
+      "requires": {
+        "define-property": "^2.0.2",
+        "extend-shallow": "^3.0.2",
+        "regex-not": "^1.0.2",
+        "safe-regex": "^1.1.0"
+      }
+    },
     "to-regex-range": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
@@ -4293,6 +6125,17 @@
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.9.1.tgz",
       "integrity": "sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg=="
     },
+    "union-value": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
+      "integrity": "sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==",
+      "requires": {
+        "arr-union": "^3.1.0",
+        "get-value": "^2.0.6",
+        "is-extendable": "^0.1.1",
+        "set-value": "^2.0.1"
+      }
+    },
     "universalify": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
@@ -4303,6 +6146,52 @@
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
     },
+    "unset-value": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
+      "integrity": "sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=",
+      "requires": {
+        "has-value": "^0.3.1",
+        "isobject": "^3.0.0"
+      },
+      "dependencies": {
+        "has-value": {
+          "version": "0.3.1",
+          "resolved": "https://registry.npmjs.org/has-value/-/has-value-0.3.1.tgz",
+          "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
+          "requires": {
+            "get-value": "^2.0.3",
+            "has-values": "^0.1.4",
+            "isobject": "^2.0.0"
+          },
+          "dependencies": {
+            "isobject": {
+              "version": "2.1.0",
+              "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
+              "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
+              "requires": {
+                "isarray": "1.0.0"
+              }
+            }
+          }
+        },
+        "has-values": {
+          "version": "0.1.4",
+          "resolved": "https://registry.npmjs.org/has-values/-/has-values-0.1.4.tgz",
+          "integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E="
+        },
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+        },
+        "isobject": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+        }
+      }
+    },
     "uri-js": {
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
@@ -4311,6 +6200,11 @@
         "punycode": "^2.1.0"
       }
     },
+    "urix": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
+      "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI="
+    },
     "url-parse-lax": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/url-parse-lax/-/url-parse-lax-3.0.0.tgz",
@@ -4329,6 +6223,11 @@
       "resolved": "https://registry.npmjs.org/url-to-options/-/url-to-options-1.0.1.tgz",
       "integrity": "sha1-FQWgOiiaSMvXpDTvuu7FBV9WM6k="
     },
+    "use": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
+      "integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ=="
+    },
     "utf8": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/utf8/-/utf8-3.0.0.tgz",
diff --git a/eth-contracts/package.json b/eth-contracts/package.json
index 13f761e..c020760 100644
--- a/eth-contracts/package.json
+++ b/eth-contracts/package.json
@@ -8,13 +8,15 @@
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "compile": "truffle compile"
+    "compile": "truffle compile",
+    "fix-lint": "solium -d contracts/ --fix"
   },
   "author": "",
   "license": "MIT",
   "dependencies": {
     "@truffle/hdwallet-provider": "^1.0.40",
     "dotenv": "^8.2.0",
+    "ethlint": "^1.2.5",
     "truffle": "^5.1.37",
     "truffle-export-abi": "^1.0.1",
     "truffle-flattener": "^1.5.0"
diff --git a/go.mod b/go.mod
index c8faf63..cb25b1c 100644
--- a/go.mod
+++ b/go.mod
@@ -16,8 +16,10 @@ require (
 	github.com/drand/kyber v1.1.5
 	github.com/elastic/gosigar v0.10.5 // indirect
 	github.com/ethereum/go-ethereum v1.9.5
-	github.com/filecoin-project/go-address v0.0.4
-	github.com/filecoin-project/go-state-types v0.0.0-20201021025442-0ac4de847f4f
+	github.com/filecoin-project/go-address v0.0.5-0.20201103152444-f2023ef3f5bb
+	github.com/filecoin-project/go-crypto v0.0.0-20191218222705-effae4ea9f03
+	github.com/filecoin-project/go-state-types v0.0.0-20201102161440-c8033295a1fc
+	github.com/filecoin-project/lotus v1.2.1
 	github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 // indirect
 	github.com/fxamacker/cbor/v2 v2.2.0
 	github.com/gballet/go-libpcsclite v0.0.0-20191108122812-4678299bea08 // indirect
@@ -30,18 +32,16 @@ require (
 	github.com/gopherjs/gopherjs v0.0.0-20190812055157-5d271430af9f // indirect
 	github.com/ipfs/go-datastore v0.4.5 // indirect
 	github.com/ipfs/go-ds-badger2 v0.1.1-0.20200708190120-187fc06f714e // indirect
-	github.com/ipfs/go-ipld-cbor v0.0.5-0.20200428170625-a0bd04d3cbdf // indirect
 	github.com/ipfs/go-ipld-format v0.2.0 // indirect
 	github.com/ipfs/go-log v1.0.4
 	github.com/ipfs/go-log/v2 v2.1.2-0.20200626104915-0016c0b4b3e4 // indirect
 	github.com/jmoiron/sqlx v1.2.0
 	github.com/karalabe/usb v0.0.0-20191104083709-911d15fe12a9 // indirect
 	github.com/lib/pq v1.7.0 // indirect
-	github.com/libp2p/go-libp2p v0.11.0
-	github.com/libp2p/go-libp2p-core v0.6.1
+	github.com/libp2p/go-libp2p v0.12.0
+	github.com/libp2p/go-libp2p-core v0.7.0
 	github.com/libp2p/go-libp2p-noise v0.1.2 // indirect
-	github.com/libp2p/go-libp2p-pubsub v0.3.6
-	github.com/libp2p/go-libp2p-testing v0.1.2-0.20200422005655-8775583591d8 // indirect
+	github.com/libp2p/go-libp2p-pubsub v0.4.0
 	github.com/mattn/go-colorable v0.1.6 // indirect
 	github.com/mattn/go-sqlite3 v1.9.0
 	github.com/minio/blake2b-simd v0.0.0-20160723061019-3f5f724cb5b1
@@ -69,7 +69,7 @@ require (
 	github.com/wsddn/go-ecdh v0.0.0-20161211032359-48726bab9208 // indirect
 	github.com/xorcare/golden v0.6.1-0.20191112154924-b87f686d7542
 	go.uber.org/fx v1.13.1 // indirect
-	go.uber.org/zap v1.15.0
+	go.uber.org/zap v1.16.0
 	golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect
 	golang.org/x/tools v0.0.0-20200827010519-17fd2f27a9e3 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1
diff --git a/go.sum b/go.sum
index 319f1b6..ada2f98 100644
--- a/go.sum
+++ b/go.sum
@@ -1,16 +1,30 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.31.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.37.0/go.mod h1:TS1dMSSfndXH133OKGwekG838Om/cQT0BUHV3HcBgoo=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
+contrib.go.opencensus.io/exporter/jaeger v0.1.0/go.mod h1:VYianECmuFPwU37O699Vc1GOcy+y8kOsfaxHRImmjbA=
+contrib.go.opencensus.io/exporter/prometheus v0.1.0/go.mod h1:cGFniUXGZlKRjzOyuZJ6mgB+PgBcCIa79kEKR8YCW+A=
+dmitri.shuralyov.com/app/changes v0.0.0-20180602232624-0a106ad413e3/go.mod h1:Yl+fi1br7+Rr3LqpNJf1/uxUdtRUV+Tnj0o93V2B9MU=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+dmitri.shuralyov.com/html/belt v0.0.0-20180602232347-f7d459c86be0/go.mod h1:JLBrvjyP0v+ecvNYvCpyZgu5/xkfAUhi6wJj28eUfSU=
+dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1:a1inKt/atXimZ4Mv927x+r7UpyzRUf4emIoiiSC2TN4=
+dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
+git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
 github.com/AndreasBriese/bbloom v0.0.0-20180913140656-343706a395b7/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
 github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9 h1:HD8gA2tkByhMAwYaFAX9w2l7vxvBQ5NMoxDrkhqhtn4=
 github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
@@ -20,6 +34,10 @@ github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym
 github.com/DataDog/zstd v1.3.6-0.20190409195224-796139022798/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
 github.com/DataDog/zstd v1.4.1 h1:3oxKN3wbHibqx897utPC2LTQU4J+IHWWJO+glkAkpFM=
 github.com/DataDog/zstd v1.4.1/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
+github.com/GeertJohan/go.incremental v1.0.0/go.mod h1:6fAjUhbVuX1KcMD3c8TEgVUqmo4seqhv0i0kdATSkM0=
+github.com/GeertJohan/go.rice v1.0.0 h1:KkI6O9uMaQU3VEKaj01ulavtF7o1fWT7+pk/4voiMLQ=
+github.com/GeertJohan/go.rice v1.0.0/go.mod h1:eH6gbSOAUv07dQuZVnBmoDP8mgsM1rtixis4Tib9if0=
+github.com/Gurpartap/async v0.0.0-20180927173644-4f7f499dd9ee/go.mod h1:W0GbEAA4uFNYOGG2cJpmFJ04E6SD1NLELPYZB57/7AY=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/Kubuxu/go-os-helper v0.0.1/go.mod h1:N8B+I7vPCT80IcP58r50u4+gEEcsZETFUpAzWW2ep1Y=
 github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
@@ -29,11 +47,16 @@ github.com/Secured-Finance/go-libp2p-pex v1.0.1/go.mod h1:Q4llSmPACDBpWvqHT/nU95
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/sarama v1.23.1/go.mod h1:XLH1GYJnLVE0XCr6KdJGVJRTwY30moWNJ4sERjXX6fs=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
+github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
+github.com/Stebalien/go-bitfield v0.0.0-20180330043415-076a62f9ce6e/go.mod h1:3oM7gXIttpYDAJXpVNnSCiUMYBLIZ6cb1t+Ip982MRo=
+github.com/Stebalien/go-bitfield v0.0.1/go.mod h1:GNjFpasyUVkHMsfEOk8EFLJ9syQ6SI+XWrX9Wf2XH0s=
 github.com/VictoriaMetrics/fastcache v1.5.7 h1:4y6y0G8PRzszQUYIQHHssv/jgPHAb5qQuuDNdCbyAgw=
 github.com/VictoriaMetrics/fastcache v1.5.7/go.mod h1:ptDBkNMQI4RtmVo8VS/XwRY6RoTu1dAWCbrk+6WsEM8=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
+github.com/acarl005/stripansi v0.0.0-20180116102854-5a71ef0e047d/go.mod h1:asat636LX7Bqt5lYEZ27JNDcqxfjdBQuJ/MM4CN/Lzo=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
+github.com/akavel/rsrc v0.8.0/go.mod h1:uLoCtb9J+EyAqh+26kdrTgmzRBFPGOolLWKpdxkKq+c=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafoB+tBA3gMyHYHrpOtNuDiK/uB5uXxq5wM=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -46,6 +69,7 @@ github.com/allegro/bigcache v1.2.1 h1:hg1sY1raCwic3Vnsvje6TT7/pnZba83LeFck5NrFKS
 github.com/allegro/bigcache v1.2.1/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/andybalholm/brotli v1.0.0 h1:7UCwP93aiSfvWpapti8g88vVVGp2qqtGyePsSuDafo4=
 github.com/andybalholm/brotli v1.0.0/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
+github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
@@ -77,9 +101,11 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
+github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
 github.com/briandowns/spinner v1.11.1/go.mod h1:QOuQk7x+EaDASo80FEXwlwiA+j/PPIcX3FScO+3/ZPQ=
 github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32/go.mod h1:DrZx5ec/dmnfpw9KyYoQyYo7d0KEvTkk/5M/vbZjAr8=
 github.com/btcsuite/btcd v0.0.0-20190523000118-16327141da8c/go.mod h1:3J08xEfcugPacsc34/LKRU2yO7YmuT8yt28J8k2+rrI=
+github.com/btcsuite/btcd v0.0.0-20190605094302-a0d1e3e36d50/go.mod h1:3J08xEfcugPacsc34/LKRU2yO7YmuT8yt28J8k2+rrI=
 github.com/btcsuite/btcd v0.0.0-20190824003749-130ea5bddde3/go.mod h1:3J08xEfcugPacsc34/LKRU2yO7YmuT8yt28J8k2+rrI=
 github.com/btcsuite/btcd v0.20.1-beta h1:Ik4hyJqN8Jfyv3S4AGBOmyouMsYE3EdYODkMbQjwPGw=
 github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
@@ -96,19 +122,31 @@ github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku
 github.com/btcsuite/snappy-go v1.0.0/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
 github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
 github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
+github.com/buger/goterm v0.0.0-20200322175922-2f3e71b85129/go.mod h1:u9UyCz2eTrSGy6fbupqJ54eY5c4IC8gREQ1053dK12U=
+github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
 github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
 github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
 github.com/cespare/cp v1.1.1 h1:nCb6ZLdB7NRaqsm91JtQTAme2SKJzXVsdPIPkyJr1MU=
 github.com/cespare/cp v1.1.1/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cheekybits/genny v1.0.0/go.mod h1:+tQajlRqAUrPI7DOSpB0XAqZYtQakVtB7wXkRAgjxjQ=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
+github.com/cockroachdb/errors v1.2.4/go.mod h1:rQD95gz6FARkaKkQXUksEje/d9a6wBJoCr5oaCLELYA=
+github.com/cockroachdb/logtags v0.0.0-20190617123548-eb05cc24525f/go.mod h1:i/u985jwjWRlyHXQbwatDASoW0RMlZ/3i9yJHE2xLkI=
+github.com/cockroachdb/pebble v0.0.0-20200916222308-4e219a90ba5b/go.mod h1:hU7vhtrqonEphNF+xt8/lHdaBprxmV1h8BOGrd9XwmQ=
+github.com/cockroachdb/pebble v0.0.0-20201001221639-879f3bfeef07/go.mod h1:hU7vhtrqonEphNF+xt8/lHdaBprxmV1h8BOGrd9XwmQ=
+github.com/cockroachdb/redact v0.0.0-20200622112456-cd282804bbd3/go.mod h1:BVNblN9mBWFyMyqK1k3AAiSxhvhfK2oOZZ2lK+dpvRg=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd h1:qMd81Ts1T2OTKmB4acZcyKaMtRnY5Y44NuXGX2GFJ1w=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
@@ -116,11 +154,14 @@ github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc
 github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
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@@ -216,13 +323,21 @@ github.com/fxamacker/cbor/v2 v2.2.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrt
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@@ -231,6 +346,7 @@ github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9
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@@ -254,6 +370,7 @@ github.com/gobwas/ws v1.0.2/go.mod h1:szmBTxLgaFppYjEmNtny/v3w89xOydFnnZMcgRRu/E
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@@ -271,12 +388,16 @@ github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfU
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@@ -306,6 +427,8 @@ github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
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@@ -314,13 +437,19 @@ github.com/google/gopacket v1.1.18/go.mod h1:UdDNZ1OO62aGYVnPhxT1U6aI7ukYtA/kB8v
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@@ -330,9 +459,11 @@ github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2z
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@@ -340,13 +471,20 @@ github.com/grpc-ecosystem/go-grpc-middleware v1.2.0 h1:0IKlLyQ3Hs9nDaiK5cSHAGmcQ
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@@ -369,6 +507,7 @@ github.com/hashicorp/go-version v1.2.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09
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@@ -748,7 +1160,9 @@ github.com/mdlayher/netlink v1.0.0/go.mod h1:KxeJAFOFLG6AjpyDkQ/iIhxygIUKD+vcwqc
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@@ -804,6 +1218,8 @@ github.com/multiformats/go-multiaddr v0.3.1 h1:1bxa+W7j9wZKTZREySx1vPMs2TqrYWjVZ
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@@ -825,15 +1241,21 @@ github.com/multiformats/go-multibase v0.0.3 h1:l/B6bJDQjvQ5G52jw4QGSYeOTZoAwIO77
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@@ -847,8 +1269,11 @@ github.com/nats-io/nats.go v1.9.1/go.mod h1:ZjDU1L/7fJ09jvUSRVBR2e7+RnLiiIQyqyzE
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@@ -1123,6 +1627,7 @@ go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.4 h1:hi1bXHMVrlQh6WwxAy+qZCV/SYIlqo+Ushwdpa4tAKg=
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+go.opencensus.io v0.18.0/go.mod h1:vKdFvxhtzZ9onBp9VKHK8z/sRpBMnKAsufL7wlDrCOA=
 go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
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@@ -1140,6 +1645,7 @@ go.uber.org/atomic v1.6.0 h1:Ezj3JGmsOnG1MoRWQkPBsKLe9DwWD9QeXzTRzzldNVk=
 go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
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@@ -1157,25 +1663,37 @@ go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
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@@ -1194,8 +1712,13 @@ golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL
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@@ -1203,6 +1726,7 @@ golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHl
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@@ -1211,14 +1735,19 @@ golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCc
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@@ -1226,13 +1755,18 @@ golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73r
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@@ -1241,19 +1775,28 @@ golang.org/x/net v0.0.0-20190923162816-aa69164e4478 h1:l5EDrHhldLYb3ZRHDUhXF7Om7
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@@ -1264,12 +1807,15 @@ golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a h1:WXEvlFVvvGxCJLG6REjsT03i
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@@ -1279,7 +1825,9 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
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@@ -1287,8 +1835,11 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1297,19 +1848,25 @@ golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1325,6 +1882,7 @@ golang.org/x/sys v0.0.0-20200926100807-9d91bd62050c/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1338,6 +1896,7 @@ golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxb
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@@ -1361,13 +1920,21 @@ golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtn
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@@ -1376,20 +1943,32 @@ golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IV
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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@@ -1399,11 +1978,17 @@ google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98
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@@ -1416,8 +2001,12 @@ google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
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@@ -1439,9 +2028,11 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8
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@@ -1475,6 +2066,8 @@ gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
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@@ -1483,8 +2076,19 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
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diff --git a/node/node.go b/node/node.go
index 1d559f7..cdf7a20 100644
--- a/node/node.go
+++ b/node/node.go
@@ -131,7 +131,7 @@ func (n *Node) Run(ctx context.Context) error {
 		}
 	}
 
-	return nil
+	// return nil
 }
 
 func (n *Node) runLibp2pAsync(ctx context.Context) error {
@@ -271,12 +271,12 @@ func provideEthereumClient(config *config.Config) (*ethclient.EthereumClient, er
 
 func (n *Node) setupRPCClients() error {
 	fc := filecoin.NewLotusClient()
-	rpc.RegisterRPC(rtypes.RPCTypeFilecoin, map[string]func(string) (string, error){
+	rpc.RegisterRPC(rtypes.RPCTypeFilecoin, map[string]func(string) ([]byte, error){
 		"getTransaction": fc.GetTransaction,
 	})
 
 	sl := solana2.NewSolanaClient()
-	rpc.RegisterRPC(rtypes.RPCTypeSolana, map[string]func(string) (string, error){
+	rpc.RegisterRPC(rtypes.RPCTypeSolana, map[string]func(string) ([]byte, error){
 		"getTransaction": sl.GetTransaction,
 	})
 
diff --git a/rpc/filecoin/filecoin.go b/rpc/filecoin/filecoin.go
index afd9385..b4dcb70 100644
--- a/rpc/filecoin/filecoin.go
+++ b/rpc/filecoin/filecoin.go
@@ -1,11 +1,13 @@
 package filecoin
 
 import (
+	"bytes"
 	"encoding/json"
 	"fmt"
 
 	ftypes "github.com/Secured-Finance/dione/rpc/filecoin/types"
 	"github.com/Secured-Finance/dione/rpc/types"
+	"github.com/filecoin-project/go-address"
 
 	"github.com/sirupsen/logrus"
 	"github.com/valyala/fasthttp"
@@ -13,6 +15,11 @@ import (
 
 var filecoinURL = "https://api.node.glif.io/"
 
+const (
+	blsType       = 0x1
+	secp256k1Type = 0x2
+)
+
 // client implements the `Client` interface.
 type LotusClient struct {
 	host       string
@@ -38,11 +45,11 @@ func (c *LotusClient) GetTipSetByHeight(chainEpoch int64) ([]byte, error) {
 	return c.HandleRequest("Filecoin.ChainGetTipSetByHeight", i)
 }
 
-func (c *LotusClient) GetTransaction(cid string) (string, error) {
-	i := ftypes.NewCidParam(cid)
-	resp, err := c.HandleRequest("Filecoin.ChainGetMessage", i)
-	return string(resp), err
-}
+// func (c *LotusClient) GetTransaction(cid string) (string, error) {
+// 	i := ftypes.NewCidParam(cid)
+// 	resp, err := c.HandleRequest("Filecoin.ChainGetMessage", i)
+// 	return string(resp), err
+// }
 
 func (c *LotusClient) GetNodeVersion() ([]byte, error) {
 	return c.HandleRequest("Filecoin.Version", nil)
@@ -57,6 +64,42 @@ func (c *LotusClient) VerifyCid(cid string) ([]byte, error) {
 	return c.HandleRequest("Filecoin.ChainHasObj", i)
 }
 
+// Gets signed transaction from Filecoin and returns SignedTransaction struct in byte slice
+func (c *LotusClient) GetTransaction(cid string) ([]byte, error) {
+	i := ftypes.NewCidParam(cid)
+	bodyBytes, err := c.HandleRequest("Filecoin.ChainReadObj", i)
+	if err != nil {
+		return nil, fmt.Errorf("Failed to get object information %v", err)
+	}
+	var response types.RPCResponseBody
+	err = json.Unmarshal(bodyBytes, &response)
+	if err != nil {
+		return nil, fmt.Errorf("Failed to unmarshal response body %v", err)
+	}
+
+	var msg ftypes.SignedMessage
+	if err := msg.UnmarshalCBOR(bytes.NewReader(response.Result)); err != nil {
+		if err := msg.Message.UnmarshalCBOR(bytes.NewReader(response.Result)); err != nil {
+			return nil, err
+		}
+	}
+
+	switch msg.Message.From.Protocol() | msg.Message.To.Protocol() {
+	case address.BLS:
+		msg.Type = blsType
+	case address.SECP256K1:
+		msg.Type = secp256k1Type
+	default:
+		return nil, fmt.Errorf("Address has unsupported protocol %v", err)
+	}
+
+	b := new(bytes.Buffer)
+	if err := msg.MarshalCBOR(b); err != nil {
+		return nil, err
+	}
+	return b.Bytes(), nil
+}
+
 // HandleRequest implements the `Client` interface.
 func (c *LotusClient) HandleRequest(method string, params []interface{}) ([]byte, error) {
 	req := fasthttp.AcquireRequest()
diff --git a/rpc/filecoin/types/filecoin-message.go b/rpc/filecoin/types/filecoin-message.go
index 5b8e748..6ea5005 100644
--- a/rpc/filecoin/types/filecoin-message.go
+++ b/rpc/filecoin/types/filecoin-message.go
@@ -1,27 +1,98 @@
 package types
 
 import (
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/go-state-types/abi"
-	"github.com/filecoin-project/go-state-types/crypto"
+	"fmt"
+	"io"
+	"math"
+
+	"github.com/Secured-Finance/dione/types"
+	ltypes "github.com/filecoin-project/lotus/chain/types"
+	cbg "github.com/whyrusleeping/cbor-gen"
 )
 
-type FilecoinMsg struct {
-	Version uint64
-
-	To   address.Address
-	From address.Address
-
-	Nonce uint64
-
-	Value abi.TokenAmount
-
-	GasLimit   int64
-	GasFeeCap  abi.TokenAmount
-	GasPremium abi.TokenAmount
-
-	Method abi.MethodNum
-	Params []byte
+type SignedMessage struct {
+	Message   ltypes.Message
+	Signature *types.Signature
+	Type      MessageType
 }
 
-type FilMsgSignature *crypto.Signature
+type MessageType byte
+
+const (
+	MessageTypeUnknown = MessageType(math.MaxUint8)
+
+	MessageTypeBLS       = MessageType(iota)
+	MessageTypeSecp256k1 = MessageType(0x2)
+)
+
+func (t MessageType) Name() (string, error) {
+	switch t {
+	case MessageTypeUnknown:
+		return "unknown", nil
+	case MessageTypeBLS:
+		return "BLS", nil
+	case MessageTypeSecp256k1:
+		return "Secp256k1", nil
+	default:
+		return "", fmt.Errorf("invalid message signature type: %d", t)
+	}
+}
+
+// CBOR operations from lotus
+
+func (t *SignedMessage) UnmarshalCBOR(r io.Reader) error {
+	*t = SignedMessage{}
+
+	br := cbg.GetPeeker(r)
+	scratch := make([]byte, 8)
+
+	maj, extra, err := cbg.CborReadHeaderBuf(br, scratch)
+	if err != nil {
+		return err
+	}
+	if maj != cbg.MajArray {
+		return fmt.Errorf("cbor input should be of type array")
+	}
+
+	if extra != 2 {
+		return fmt.Errorf("cbor input had wrong number of fields")
+	}
+
+	{
+
+		if err := t.Message.UnmarshalCBOR(br); err != nil {
+			return fmt.Errorf("unmarshaling t.Message: %w", err)
+		}
+
+	}
+
+	{
+
+		if err := t.Signature.UnmarshalCBOR(br); err != nil {
+			return fmt.Errorf("unmarshaling t.Signature: %w", err)
+		}
+
+	}
+	return nil
+}
+
+var lengthBufSignedMessage = []byte{130}
+
+func (t *SignedMessage) MarshalCBOR(w io.Writer) error {
+	if t == nil {
+		_, err := w.Write(cbg.CborNull)
+		return err
+	}
+	if _, err := w.Write(lengthBufSignedMessage); err != nil {
+		return err
+	}
+
+	if err := t.Message.MarshalCBOR(w); err != nil {
+		return err
+	}
+
+	if err := t.Signature.MarshalCBOR(w); err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/rpc/rpc.go b/rpc/rpc.go
index 68f41ee..3dee220 100644
--- a/rpc/rpc.go
+++ b/rpc/rpc.go
@@ -1,12 +1,12 @@
 package rpc
 
-var rpcs = map[uint8]map[string]func(string) (string, error){} // rpcType -> {rpcMethodName -> actual func var}
+var rpcs = map[uint8]map[string]func(string) ([]byte, error){} // rpcType -> {rpcMethodName -> actual func var}
 
-func RegisterRPC(rpcType uint8, rpcMethods map[string]func(string) (string, error)) {
+func RegisterRPC(rpcType uint8, rpcMethods map[string]func(string) ([]byte, error)) {
 	rpcs[rpcType] = rpcMethods
 }
 
-func GetRPCMethod(rpcType uint8, rpcMethodName string) func(string) (string, error) {
+func GetRPCMethod(rpcType uint8, rpcMethodName string) func(string) ([]byte, error) {
 	rpcMethods, ok := rpcs[rpcType]
 	if !ok {
 		return nil
diff --git a/rpc/solana/solana.go b/rpc/solana/solana.go
index 9a9173a..cf9b0c1 100644
--- a/rpc/solana/solana.go
+++ b/rpc/solana/solana.go
@@ -39,7 +39,7 @@ func NewSolanaClient() *SolanaClient {
 	}
 }
 
-func (c *SolanaClient) GetTransaction(txHash string) (string, error) {
+func (c *SolanaClient) GetTransaction(txHash string) ([]byte, error) {
 	req := fasthttp.AcquireRequest()
 	req.SetRequestURI(c.url)
 	req.Header.SetMethod("POST")
@@ -48,18 +48,18 @@ func (c *SolanaClient) GetTransaction(txHash string) (string, error) {
 	requestBody.Params = append(requestBody.Params, txHash, "json")
 	body, err := json.Marshal(requestBody)
 	if err != nil {
-		return "", fmt.Errorf("Failed to marshal request body %v", err)
+		return nil, fmt.Errorf("Failed to marshal request body %v", err)
 	}
 	req.AppendBody(body)
 	resp := fasthttp.AcquireResponse()
 	client := &fasthttp.Client{}
 	if err = client.Do(req, resp); err != nil {
 		logrus.Warn("Failed to construct solana node rpc request", err)
-		return "", err
+		return nil, err
 	}
 	bodyBytes := resp.Body()
 	logrus.Info(string(bodyBytes))
-	return string(bodyBytes), nil
+	return bodyBytes, nil
 }
 
 func (c *SolanaClient) subscribeOnProgram(programID string) {
diff --git a/sigs/ed25519/ed25519.go b/sigs/ed25519/ed25519.go
index b51fd2a..96c4e57 100644
--- a/sigs/ed25519/ed25519.go
+++ b/sigs/ed25519/ed25519.go
@@ -32,8 +32,12 @@ func (ed25519Signer) Sign(p []byte, msg []byte) ([]byte, error) {
 	return ed25519.Sign(privKey, msg), nil
 }
 
-func (ed25519Signer) Verify(sig []byte, a peer.ID, msg []byte) error {
-	pubKey, err := a.ExtractPublicKey()
+func (ed25519Signer) Verify(sig []byte, a []byte, msg []byte) error {
+	id, err := peer.IDFromBytes(a)
+	if err != nil {
+		return err
+	}
+	pubKey, err := id.ExtractPublicKey()
 	if err != nil {
 		return err
 	}
diff --git a/sigs/secp/secp.go b/sigs/secp/secp.go
new file mode 100644
index 0000000..1033336
--- /dev/null
+++ b/sigs/secp/secp.go
@@ -0,0 +1,64 @@
+package secp
+
+import (
+	"fmt"
+
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-crypto"
+	"github.com/minio/blake2b-simd"
+
+	"github.com/Secured-Finance/dione/sigs"
+	"github.com/Secured-Finance/dione/types"
+)
+
+type secpSigner struct{}
+
+func (secpSigner) GenPrivate() ([]byte, error) {
+	priv, err := crypto.GenerateKey()
+	if err != nil {
+		return nil, err
+	}
+	return priv, nil
+}
+
+func (secpSigner) ToPublic(pk []byte) ([]byte, error) {
+	return crypto.PublicKey(pk), nil
+}
+
+func (secpSigner) Sign(pk []byte, msg []byte) ([]byte, error) {
+	b2sum := blake2b.Sum256(msg)
+	sig, err := crypto.Sign(pk, b2sum[:])
+	if err != nil {
+		return nil, err
+	}
+
+	return sig, nil
+}
+
+func (secpSigner) Verify(sig []byte, a []byte, msg []byte) error {
+	b2sum := blake2b.Sum256(msg)
+	pubk, err := crypto.EcRecover(b2sum[:], sig)
+	if err != nil {
+		return err
+	}
+
+	maybeaddr, err := address.NewSecp256k1Address(pubk)
+	if err != nil {
+		return err
+	}
+
+	actualAddr, err := address.NewSecp256k1Address(a)
+	if err != nil {
+		return err
+	}
+
+	if actualAddr != maybeaddr {
+		return fmt.Errorf("signature did not match")
+	}
+
+	return nil
+}
+
+func init() {
+	sigs.RegisterSignature(types.SigTypeSecp256k1, secpSigner{})
+}
diff --git a/sigs/sigs.go b/sigs/sigs.go
index 3804e37..ada39f8 100644
--- a/sigs/sigs.go
+++ b/sigs/sigs.go
@@ -4,8 +4,6 @@ import (
 	"context"
 	fmt "fmt"
 
-	"github.com/libp2p/go-libp2p-core/peer"
-
 	"github.com/Secured-Finance/dione/types"
 	"github.com/filecoin-project/go-address"
 	"golang.org/x/xerrors"
@@ -30,7 +28,7 @@ func Sign(sigType types.SigType, privkey []byte, msg []byte) (*types.Signature,
 }
 
 // Verify verifies signatures
-func Verify(sig *types.Signature, addr peer.ID, msg []byte) error {
+func Verify(sig *types.Signature, addrByte []byte, msg []byte) error {
 	if sig == nil {
 		return xerrors.Errorf("signature is nil")
 	}
@@ -40,7 +38,7 @@ func Verify(sig *types.Signature, addr peer.ID, msg []byte) error {
 		return fmt.Errorf("cannot verify signature of unsupported type: %v", sig.Type)
 	}
 
-	return sv.Verify(sig.Data, addr, msg)
+	return sv.Verify(sig.Data, addrByte, msg)
 }
 
 // Generate generates private key of given type
@@ -92,7 +90,7 @@ type SigShim interface {
 	GenPrivate() ([]byte, error)
 	ToPublic(pk []byte) ([]byte, error)
 	Sign(pk []byte, msg []byte) ([]byte, error)
-	Verify(sig []byte, a peer.ID, msg []byte) error
+	Verify(sig []byte, a []byte, msg []byte) error
 }
 
 var sigs map[types.SigType]SigShim
diff --git a/types/signature.go b/types/signature.go
index c6ea62a..ab8a391 100644
--- a/types/signature.go
+++ b/types/signature.go
@@ -14,7 +14,9 @@ type SigType byte
 const (
 	SigTypeUnknown = SigType(math.MaxUint8)
 
-	SigTypeEd25519 = SigType(iota)
+	SigTypeSecp256k1 = SigType(iota)
+	SigTypeBLS
+	SigTypeEd25519
 )
 
 func (t SigType) Name() (string, error) {
@@ -23,6 +25,10 @@ func (t SigType) Name() (string, error) {
 		return "unknown", nil
 	case SigTypeEd25519:
 		return "ed25519", nil
+	case SigTypeSecp256k1:
+		return "secp256k1", nil
+	case SigTypeBLS:
+		return "bls", nil
 	default:
 		return "", fmt.Errorf("invalid signature type: %d", t)
 	}
@@ -85,6 +91,10 @@ func (s *Signature) UnmarshalCBOR(br io.Reader) error {
 		return fmt.Errorf("invalid signature type in cbor input: %d", buf[0])
 	case SigTypeEd25519:
 		s.Type = SigTypeEd25519
+	case SigTypeSecp256k1:
+		s.Type = SigTypeSecp256k1
+	case SigTypeBLS:
+		s.Type = SigTypeBLS
 	}
 	s.Data = buf[1:]
 	return nil
@@ -112,6 +122,10 @@ func (s *Signature) UnmarshalBinary(bs []byte) error {
 		s.Type = SigTypeUnknown
 	case SigTypeEd25519:
 		s.Type = SigTypeEd25519
+	case SigTypeSecp256k1:
+		s.Type = SigTypeSecp256k1
+	case SigTypeBLS:
+		s.Type = SigTypeBLS
 	}
 	s.Data = bs[1:]
 	return nil