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filecoin-js-signer

Filecoin signing library and RPC client in pure Typescript / Javascript with the necessary methods to create, sign and broadcast messages to send FIL, and interact with Filecoin's built-in actors (like Payment Channel and Multisig).

Motivation

This library was created as part of the Filecoin Loans Grant awarded by the Filecoin Foundation. At the time of its creation (April 2021), there were no functional signing libraries written in pure Javascript or that had a complete implementation of the Payment Channel actor's methods (i.e. passing a hash/secret to create and redeem vouchers, necessary to create Atomic Swaps / Atomic Loans). A pure Javascript implementation of these methods can also facilitate, or simplify, the usage from React Native or web applications that interact with the Filecoin network.

Installing

npm install --save @blitslabs/filecoin-js-signer

API Reference

Go to reference guide.

Filecoin Signer

Collection of methods to create and sign messages to send funds and interact with Filecoin's built-in actors (Payment Channel & Multisig).

wallet.generateMnemonic

Generate a seed phrase (mnemonic).

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const strength = 128 // 128 => 12 words | 256 => 24 words
const mnemonic = await filecoin_signer.wallet.generateMnemonic(strength)

console.log(mnemonic)
// floor electric fitness someone escape achieve mixture alley obey main funny kingdom

wallet.keyDerive

Derive (public/private) keys from a mnemonic.

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const strength = 128 // 128 => 12 words | 256 => 24 words
const mnemonic = await filecoin_signer.wallet.generateMnemonic(strength)
const i = 0
const network = 'testnet'

const keys = await filecoin_signer.wallet.keyDerive(mnemonic, `m/44'/461'/0'/0/${i}`, network)
console.log(keys)

// KeyPair {
//     _publicKey: '049333be94a4dfe65e7b2142870186f7deb9e82cf4c1790c55ef6bfa767ecd187fb2615a203cf61d76a24029f118e74705cc7c6304e4808e4c87a608a7dadedc41',
//     _privateKey: '6f093e7932838e7d5c0b01a3c6b7be1c4d96afff9431af9b53d42cc2d0bf3e3c',
//     _address: 't124h7myx7vyydjrwt4t456jlctx6ssbqj6wccsui'
// }

wallet.keyRecover

Recover (public/private) keys from a private key.

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const privateKey = '6f093e7932838e7d5c0b01a3c6b7be1c4d96afff9431af9b53d42cc2d0bf3e3c'
const keys = await filecoin_signer.wallet.keyRecover(privateKey, 'testnet')
console.log(keys)

// KeyPair {
//     _publicKey: '049333be94a4dfe65e7b2142870186f7deb9e82cf4c1790c55ef6bfa767ecd187fb2615a203cf61d76a24029f118e74705cc7c6304e4808e4c87a608a7dadedc41',
//     _privateKey: '6f093e7932838e7d5c0b01a3c6b7be1c4d96afff9431af9b53d42cc2d0bf3e3c',
//     _address: 't124h7myx7vyydjrwt4t456jlctx6ssbqj6wccsui'
// }

paych.createPaymentChannelMsg

Create an unsigned message to create a payment channel.

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const from = 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y'
const to = 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y'
const amount = new BigNumber(1e18)
const nonce = 0
const network = 'mainnet'

const unsignedMessage = await filecoin_signer.paych.createPaymentChannelMsg(from, to, amount, nonce, network)

console.log(unsignedMessage)
//{
//  From: 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y',
//  To: 'f01',
//  Nonce: 0,
//  Value: BigNumber { s: 1, e: 19, c: [ 100000 ] },
//  GasLimit: 10000000,
//  GasFeeCap: BigNumber { s: 1, e: 0, c: [ 0 ] },
//  GasPremium: BigNumber { s: 1, e: 0, c: [ 0 ] },
//  Method: 2,
//  Params: 'gtgqWBkAAVUAFGZpbC80L3BheW1lbnRjaGFubmVsWC2CVQGzTpYVOoUDkpp7RK/KycU5SJHZRFUBs06WFTqFA5Kae0SvysnFOUiR2UQ='
//}

paych.createVoucher

Create an unsigned voucher to enable the voucher recipient to redeem funds from the payment channel.

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const unsignedVoucher = await filecoin_signer.paych.createVoucher(
    paymentChannelAddress, // paymentChannelAddress
    0, // timeLockMin
    0, // timeLockMax
    '', // secretHash
    new BigNumber(1e18), // amount
    0, // lane
    0, // voucherNonce
    0, // minSettleHeight
)

console.log(unsignedVoucher)
// i1UBs06WFTqFA5Kae0SvysnFOUiR2UQAAED2AABJAA3gtrOnZAAAAID2

paych.signVoucher

Sign a voucher with private key.

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const unsignedVoucher = 'i1UBs06WFTqFA5Kae0SvysnFOUiR2UQAAED2AABJAA3gtrOnZAAAAID2'

const signedVoucher = await filecoin_signer.paych.signVoucher(unsignedVoucher, privateKey)
console.log(signedVoucher)
// i1UBs06WFTqFA5Kae0SvysnFOUiR2UQAAED2AABJAA3gtrOnZAAAAIBYQgE/WULVPYSydr0CsaqHkEaH9FYawRtgDOjtpubcWGdpul9lQYFsr6hOoK8anmylhGwB9p3BbGJVaTmAt2z2+srzAQ==

paych.verifyVoucherSignature

Verify the signature of a voucher

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const signedVoucher = 'i1UBs06WFTqFA5Kae0SvysnFOUiR2UQAAED2AABJAA3gtrOnZAAAAIBYQgE/WULVPYSydr0CsaqHkEaH9FYawRtgDOjtpubcWGdpul9lQYFsr6hOoK8anmylhGwB9p3BbGJVaTmAt2z2+srzAQ=='
const signerAddress = 't1xgb73oc3s3sengf5ghvb5jzty5ftokodkibtmfa'

const signatureIsValid = await filecoin_signer.paych.verifyVoucherSignature(signedVoucher, signerAddress)
console.log(signatureIsValid)
// true

paych.updatePaymentChannelMsg

Create the unsigned message required to redeem a voucher from a payment channel

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const paymentChannelAddress = 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y'
const from = 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y'
const signedVoucher = 'i1UBs06WFTqFA5Kae0SvysnFOUiR2UQAAED2AABJAA3gtrOnZAAAAIBYQgE/WULVPYSydr0CsaqHkEaH9FYawRtgDOjtpubcWGdpul9lQYFsr6hOoK8anmylhGwB9p3BbGJVaTmAt2z2+srzAQ=='
const secret = ''
const nonce = 0

const redeemVoucherMsg = await filecoin_signer.paych.updatePaymentChannelMsg(
    paymentChannelAddress,
    from,
    signedVoucher,
    secret,
    nonce,
)

console.log(redeemVoucherMsg)

// {
//     From: 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y',
//     To: 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y',
//     Nonce: 0,
//     Value: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasLimit: 5000000,
//     GasFeeCap: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasPremium: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     Method: 2,
//     Params: 'gotVAbNOlhU6hQOSmntEr8rJxTlIkdlEAABA9gAASQAN4Lazp2QAAACAWEIBP1lC1T2Esna9ArGqh5BGh/RWGsEbYAzo7abm3FhnabpfZUGBbK+oTqCvGp5spYRsAfadwWxiVWk5gLds9vrK8wFA'
// }

paych.settlePaymentChannelMsg

Create the unsigned message required to start the settling process of a payment channel.

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const paymentChannelAddress = 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y'
const from = 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y'
const nonce = 0

const settleMsg = await filecoin_signer.paych.settlePaymentChannelMsg(
    paymentChannelAddress,
    from,
    nonce,
)

console.log(settleMsg)

// {
//     From: 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y',
//     To: 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y',
//     Nonce: 0,
//     Value: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasLimit: 0,
//     GasFeeCap: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasPremium: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     Method: 3,
//     Params: ''
// }

paych.collectPaymentChannelMsg

Create the unsigned message required to collect the funds in a payment channel, once the settling process has ended.

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const paymentChannelAddress = 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y'
const from = 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y'
const nonce = 0

const collectMsg = await filecoin_signer.paych.collectPaymentChannelMsg(
    paymentChannelAddress,
    from,
    nonce,
)

console.log(collectMsg)

// {
//     From: 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y',
//     To: 'f1wnhjmfj2qubzfgt3isx4vsofhfejdwkeqgqzr4y',
//     Nonce: 0,
//     Value: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasLimit: 0,
//     GasFeeCap: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasPremium: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     Method: 4,
//     Params: ''
// }

msig.createMultisigMsg

Returns an unsigned message to create multi-signature wallet

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const unsignedMessage = await filecoin_signer.msig.createMultisigMsg(
    from,
    addresses,
    amount,
    requiredNumberOfApprovals,
    nonce,
    unlockDuration,
    startEpoch,
)

// {
//     From: 't1xgb73oc3s3sengf5ghvb5jzty5ftokodkibtmfa',
//     To: 'f01',
//     Nonce: 0,
//     Value: BigNumber { s: 1, e: 19, c: [ 100000 ] },
//     GasLimit: 0,
//     GasFeeCap: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasPremium: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     Method: 2,
//     Params: 'gtgqUwABVQAOZmlsLzQvbXVsdGlzaWdYMYSCVQG5g/24W5bkRpi9MeoepzPHSzcpw1UBuYP9uFuW5EaYvTHqHqczx0s3KcMCAAA='
// }

msig.proposeMultisigMsg

Returns an unsigned message to propose a multisig message

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const unsignedMessage = await filecoin_signer.msig.proposeMultisigMsg(
    multisigAddress,        
    from,
    to,
    amount,        
    nonce,        
)

// {
//     From: 't1xgb73oc3s3sengf5ghvb5jzty5ftokodkibtmfa',
//     To: 't1xgb73oc3s3sengf5ghvb5jzty5ftokodkibtmfa',
//     Nonce: 0,
//     Value: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasLimit: 0,
//     GasFeeCap: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasPremium: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     Method: 2,
//     Params: 'hFUBuYP9uFuW5EaYvTHqHqczx0s3KcNJAIrHIwSJ6AAAAEA='
// }

msig.approveMultisigMsg

Returns an unsigned message to approve a multisig message

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const unsignedMessage = await filecoin_signer.msig.approveMultisigMsg(
    multisigAddress,
    messageId,
    requester,
    from,
    to,
    amount,        
    nonce,        
)

// {
//     From: 't1xgb73oc3s3sengf5ghvb5jzty5ftokodkibtmfa',
//     To: 't1xgb73oc3s3sengf5ghvb5jzty5ftokodkibtmfa',
//     Nonce: 0,
//     Value: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasLimit: 0,
//     GasFeeCap: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasPremium: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     Method: 3,
//     Params: 'ggBYIM39f3E1eS5YseC0v+YNCsL99ieU5FWmS1RZgRcDnzBB'
// }

msig.cancelMultisigMsg

Returns an unsigned message to cancel a multisig message

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const unsignedMessage = await filecoin_signer.msig.cancelMultisigMsg(
    multisigAddress,        
    messageId,
    requester,
    from,
    to,
    amount,        
    nonce,        
)

// {
//     From: 't1xgb73oc3s3sengf5ghvb5jzty5ftokodkibtmfa',
//     To: 't1xgb73oc3s3sengf5ghvb5jzty5ftokodkibtmfa',
//     Nonce: 0,
//     Value: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasLimit: 0,
//     GasFeeCap: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     GasPremium: BigNumber { s: 1, e: 0, c: [ 0 ] },
//     Method: 4,
//     Params: 'ggBYIM39f3E1eS5YseC0v+YNCsL99ieU5FWmS1RZgRcDnzBB'
// }

tx.transactionSignLotus

Sign an unsigned message with a given private key

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const unsignedMessage = await filecoin_signer.paych.createPaymentChannelMsg(
    from, to, amount, nonce, network
)   

const signedMessage = await filecoin_signer.tx.transactionSignLotus(unsignedMessage, privateKey)
console.log(signedMessage)

// {"Message":{"From":"t1xgb73oc3s3sengf5ghvb5jzty5ftokodkibtmfa","GasLimit":10000000,"GasFeeCap":"0","GasPremium":"0","Method":2,"Nonce":0,"Params":"gtgqWBkAAVUAFGZpbC80L3BheW1lbnRjaGFubmVsWC2CVQG5g/24W5bkRpi9MeoepzPHSzcpw1UBuYP9uFuW5EaYvTHqHqczx0s3KcM=","To":"f01","Value":"10000000000000000000"},"Signature":{"Data":"jqoMlz82/zUTAWkuzvylRNJ8e7qjDtla35CZA8cCU0F68M366lUORzIBrcKnB3FMyHqXptOicE+0GxDe/V1vDgA=","Type":1}}

tx.transactionVerifyLotus

Verify the signature of a signed message.

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const signatureIsValid = await filecoin_signer.tx.transactionVerifyLotus(signedMessage)

console.log(signatureIsValid)
// true

utils.signMessage

Utilitary function to sign a message with a given private key.

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const message = 'message'
const privateKey = '6f093e7932838e7d5c0b01a3c6b7be1c4d96afff9431af9b53d42cc2d0bf3e3c'
const signedMessage = await filecoin_signer.utils.signMessage(message, privateKey)
console.log(signedMessage)

// a18a1c3f4fd55fd1842746e40dea9d26e7a24511c3f809b20b6d2254e607c8e9562d82f02ba7d72321be64049b8ee10141c7b86793bf686634a331fef75f54f800

utils.verifySignature

Utilitary function to verify a signature.

import { FilecoinSigner } from '@blitslabs/filecoin-js-signer'
const filecoin_signer = new FilecoinSigner()

const message = 'message'
const privateKey = '6f093e7932838e7d5c0b01a3c6b7be1c4d96afff9431af9b53d42cc2d0bf3e3c'
const signer = 't124h7myx7vyydjrwt4t456jlctx6ssbqj6wccsui'
const signature = await filecoin_signer.utils.signMessage(message, privateKey)

const signatureIsValid = await filecoin_signer.utils.verifySignature(message, signature, signer)
console.log(signatureIsValid)

// true

Filecoin Client

Collection of methods to create, sign and broadcast messages to send funds and interact with Filecoin's built-in actors (Payment Channel & Multisig).

*The difference with FilecoinSigner is that FilecoinClient broadcasts the messages to the network.

paych.createPaymentChannel

Create, sign and broadcast a message to create a payment channel.

import { FilecoinClient } from '@blitslabs/filecoin-signing-tools'
const endpoint = 'https://calibration.node.glif.io'
const token = ''
const filecoin_client = new FilecoinClient(endpoint, token)

const from = 't124h7myx7vyydjrwt4t456jlctx6ssbqj6wccsui'
const to = 't1xgb73oc3s3sengf5ghvb5jzty5ftokodkibtmfa'
const amount = new BigNumber(1e18)    
const privateKey = '6f093e7932838e7d5c0b01a3c6b7be1c4d96afff9431af9b53d42cc2d0bf3e3c'
const network = 'testnet'
const waitMsg = false // false => return CID || true => wait for tx to confirm and return tx details

const response = await filecoin_client.paych.createPaymentChannel(from, to, amount, privateKey, network, waitMsg)
console.log(response)
// {
//   '/': 'bafy2bzacec3byj5vt5jlxssuv5idccgsag526j4x272vmm4nsqcix5luq4zrs'
// }

paych.updatePaymentChannel

Create, sign and broadcast a message to redeem a payment channel's voucher.

import { FilecoinClient } from '@blitslabs/filecoin-signing-tools'
const endpoint = 'https://calibration.node.glif.io'
const token = ''
const filecoin_client = new FilecoinClient(endpoint, token)

const response = await filecoin_client.paych.updatePaymentChannel(
    paymentChannelAddress,
    from,
    signedVoucher,
    secret,
    privateKey,        
    waitMsg
)
console.log(response)

// {
//   '/': 'bafy2bzacec3byj5vt5jlxssuv5idccgsag526j4x272vmm4nsqcix5luq4zrs'
// }

paych.settlePaymentChannel

Create, sign and broadcast a message to settle a payment channel.

import { FilecoinClient } from '@blitslabs/filecoin-signing-tools'
const endpoint = 'https://calibration.node.glif.io'
const token = ''
const filecoin_client = new FilecoinClient(endpoint, token)

const response = await filecoin_client.paych.settlePaymentChannel(
    paymentChannelAddress,
    from,        
    privateKey,        
    waitMsg
)
console.log(response)

// {
//   '/': 'bafy2bzacec3byj5vt5jlxssuv5idccgsag526j4x272vmm4nsqcix5luq4zrs'
// }

paych.collectPaymentChannel

Create, sign and broadcast a message to collect a payment channel.

import { FilecoinClient } from '@blitslabs/filecoin-signing-tools'
const endpoint = 'https://calibration.node.glif.io'
const token = ''
const filecoin_client = new FilecoinClient(endpoint, token)

const response = await filecoin_client.paych.collectPaymentChannel(
    paymentChannelAddress,
    from,        
    privateKey,        
    waitMsg
)
console.log(response)

// {
//   '/': 'bafy2bzacec3byj5vt5jlxssuv5idccgsag526j4x272vmm4nsqcix5luq4zrs'
// }

msig.createMultisig

Create, sign and broadcast a message to create a multisig.

import { FilecoinClient } from '@blitslabs/filecoin-signing-tools'
const endpoint = 'https://calibration.node.glif.io'
const token = ''
const filecoin_client = new FilecoinClient(endpoint, token)

const response = await filecoin_client.msig.createMultisig(
    from,
    addresses,
    amount,
    requiredNumberOfApprovals,
    nonce,
    unlockDuration,
    startEpoch,
    "fil/4/multisig",
    privateKey,
    network,
    waitMsg
)
console.log(response)

// {
//   '/': 'bafy2bzacec3byj5vt5jlxssuv5idccgsag526j4x272vmm4nsqcix5luq4zrs'
// }

msig.proposeMultisig

Create, sign and broadcast a message to propose a multisig message.

import { FilecoinClient } from '@blitslabs/filecoin-signing-tools'
const endpoint = 'https://calibration.node.glif.io'
const token = ''
const filecoin_client = new FilecoinClient(endpoint, token)

const response = await filecoin_client.msig.proposeMultisig(
    multisigAddress,        
    from,
    to,
    amount,        
    nonce,
    privateKey,
    network,
    waitMsg
)
console.log(response)

// {
//   '/': 'bafy2bzacec3byj5vt5jlxssuv5idccgsag526j4x272vmm4nsqcix5luq4zrs'
// }

msig.approveMultisig

Create, sign and broadcast a message to approve a multisig message.

import { FilecoinClient } from '@blitslabs/filecoin-signing-tools'
const endpoint = 'https://calibration.node.glif.io'
const token = ''
const filecoin_client = new FilecoinClient(endpoint, token)

const response = await filecoin_client.msig.approveMultisig(
    multisigAddress,
    messageId,
    requester,
    from,
    to,
    amount,
    nonce,
    privateKey,
    network,
    waitMsg
)
console.log(response)

// {
//   '/': 'bafy2bzacec3byj5vt5jlxssuv5idccgsag526j4x272vmm4nsqcix5luq4zrs'
// }

msig.cancelMultisig

Create, sign and broadcast a message to approve a multisig message.

import { FilecoinClient } from '@blitslabs/filecoin-signing-tools'
const endpoint = 'https://calibration.node.glif.io'
const token = ''
const filecoin_client = new FilecoinClient(endpoint, token)

const response = await filecoin_client.msig.cancelMultisig(
    multisigAddress,
    messageId,
    requester,
    from,
    to,
    amount,
    nonce,
    privateKey,
    network,
    waitMsg
)
console.log(response)

// {
//   '/': 'bafy2bzacec3byj5vt5jlxssuv5idccgsag526j4x272vmm4nsqcix5luq4zrs'
// }

tx.send

Create, sign and broadcast a message send FIL.

import { FilecoinClient } from '@blitslabs/filecoin-signing-tools'
const endpoint = 'https://calibration.node.glif.io'
const token = ''
const filecoin_client = new FilecoinClient(endpoint, token)

const response = await filecoin_client.tx.send(
    to,
    amount,
    gasLimit,
    privateKey,
    network,
    waitMsg
)
console.log(response)

// {
//   '/': 'bafy2bzacec3byj5vt5jlxssuv5idccgsag526j4x272vmm4nsqcix5luq4zrs'
// }

tx.sendMessage

Sign and broadcast a custome message.

import { FilecoinClient } from '@blitslabs/filecoin-signing-tools'
const endpoint = 'https://calibration.node.glif.io'
const token = ''
const filecoin_client = new FilecoinClient(endpoint, token)

const response = await filecoin_client.tx.sendMessage(
    message,
    privateKey,
    updateMsgNonce,
    waitMsg
)
console.log(response)

// {
//   '/': 'bafy2bzacec3byj5vt5jlxssuv5idccgsag526j4x272vmm4nsqcix5luq4zrs'
// }

Develop

How to install, test and contribute can be found here.

References

  1. filecoin-signing-tools
  2. filecoin.js

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