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generate the second multi sign binary file, corresponding to the rust… 
… cmd `account sign-multisig-txn xxx.multisi-txn`
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@wk3368
wk3368 committed Oct 29, 2021
1 parent ae85263 commit 05d9151
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Showing 2 changed files with 158 additions and 27 deletions.
26 changes: 26 additions & 0 deletions src/lib/runtime/starcoin_types/index.ts
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Expand Up @@ -578,6 +578,32 @@ export class MultiEd25519Signature {
export class MultiEd25519SignatureShard {
constructor(public signature: MultiEd25519Signature, public threshold: uint8) {
}


static merge(shards: Seq<MultiEd25519SignatureShard>): MultiEd25519SignatureShard {
if (shards.length === 0) {
throw new Error('MultiEd25519SignatureShard shards is empty')
}
const threshold = shards[0].threshold
const signatures = []
let bitmap = 0
console.log({ shards })
shards.forEach((shard) => {
if (shard.threshold !== threshold) {
throw new Error('MultiEd25519SignatureShard shards threshold not same')
}
console.log('foreach', 'signatures', shard.signature.signatures, 'bitmap', shard.signature.bitmap)
signatures.push(...shard.signature.signatures)
bitmap = bitmap | shard.signature.bitmap;
})
console.log('merged', { signatures, bitmap })
return new MultiEd25519SignatureShard(new MultiEd25519Signature(signatures, bitmap), threshold)

}

public is_enough(): boolean {
return this.signature.signatures.length >= this.threshold
}
}

// Part of private keys in the multi-key Ed25519 structure along with the threshold.
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159 changes: 132 additions & 27 deletions src/utils/multi-sign.spec.ts
View file
Expand Up @@ -21,27 +21,29 @@ import { dec2bin, bin2dec, setBit, isSetBit, dec2uint8array, uint8array2dec } fr
import { showMultiEd25519Account } from "./account";
import * as starcoin_types from "../lib/runtime/starcoin_types";

test('2-3 multi sign', async () => {
// Implemention of multi sign in https://starcoin.org/zh/developer/cli/multisig_account/
const thresHold = 2;

const alice = {
'address': '0xd597bcfa4d3464b98bea990ce21aca06',
'public_key': '0x547c6a1ef36e9e99865ce7ac028ee79aff404d279b568272bc7154802d4856bb',
'private_key': '0xa9e47d270d2ce33b1475f500f3b9a773eb966f3f8ab5ceb738d52262bbe10cb2'
}
// Implemention of multi sign in https://starcoin.org/zh/developer/cli/multisig_account/
const thresHold = 2;

const bob = {
'address': '0xdcd7ae3232acb938c68ee088305b83f6',
'public_key': '0xe8cdd5b17a37fe7e8fe446d067e7a9907cf7783aca204ccb623972176614c0a0',
'private_key': '0x7ea63107b0e214789fdb0d6c6e6b0d8f8b8c0be7398654ddd63f3617282be97b'
}
const alice = {
'address': '0xd597bcfa4d3464b98bea990ce21aca06',
'public_key': '0x547c6a1ef36e9e99865ce7ac028ee79aff404d279b568272bc7154802d4856bb',
'private_key': '0xa9e47d270d2ce33b1475f500f3b9a773eb966f3f8ab5ceb738d52262bbe10cb2'
}

const bob = {
'address': '0xdcd7ae3232acb938c68ee088305b83f6',
'public_key': '0xe8cdd5b17a37fe7e8fe446d067e7a9907cf7783aca204ccb623972176614c0a0',
'private_key': '0x7ea63107b0e214789fdb0d6c6e6b0d8f8b8c0be7398654ddd63f3617282be97b'
}

const tom = {
'address': '0x14417edb1fe8c4591d739fee0a91ce42',
'public_key': '0xc95ddc2b2926d1a451ea68fa74274aa04af97d8e2aefccb297e6ef61992d42e8',
'private_key': '0x359059828e89fe42dddd5f9571a0c623b071379fc6287c712649dcc8c77f5eb4'
}

test('first multi sign', async () => {

const tom = {
'address': '0x14417edb1fe8c4591d739fee0a91ce42',
'public_key': '0xc95ddc2b2926d1a451ea68fa74274aa04af97d8e2aefccb297e6ef61992d42e8',
'private_key': '0x359059828e89fe42dddd5f9571a0c623b071379fc6287c712649dcc8c77f5eb4'
}

// step 1: 准备3个多签账号
// in alice's terminal
Expand Down Expand Up @@ -105,6 +107,11 @@ test('2-3 multi sign', async () => {
// step2: 我们来发起一个多签交易：从多签账户往 bob 转账 1 个 STC。
// 2.1 在 tom 的 starcoin console 中执行
// account sign-multisig-txn -s 0xb555d8b06fed69769821e189b5168870 --function 0x1::TransferScripts::peer_to_peer_v2 -t 0x1::STC::STC --arg 0xdcd7ae3232acb938c68ee088305b83f6 --arg 1000000000u128
// mutlisig txn(address: 0xb555d8b06fed69769821e189b5168870, threshold: 2): 1 signatures collected
// still require 1 signatures
// {
// "ok": "/Users/starcoin/projects/starcoinorg/starcoin/5e764f83.multisig-txn"
// }
// 该命令会生成原始交易，并用多签账户(由tom的私钥生成)的私钥签名，生成的 txn 会以文件形式保存在当前目录下，文件名是 txn 的 short hash。

const senderAddress = multiAccountTom.address
Expand Down Expand Up @@ -185,19 +192,19 @@ test('2-3 multi sign', async () => {
console.log({ partial_signed_txn })
console.log(partial_signed_txn.authenticator)


// write Uint8Array into local binary file, and read form it
const filename = (function () {
const privateKeyBytes = ed25519Utils.randomPrivateKey();
const name = Buffer.from(privateKeyBytes).toString('hex').slice(0, 8);
return `${ name }.multisig-txn`
})();
console.log({ filename })
// write Uint8Array into local binary file
try {
const partial_signed_txn_hex = bcsEncode(partial_signed_txn);
console.log({ partial_signed_txn_hex })
const signed_txn = bcsDecode(starcoin_types.SignedUserTransaction, partial_signed_txn_hex)
console.log({ signed_txn })
expect(partial_signed_txn_hex).toEqual(bcsEncode(signed_txn as starcoin_types.SignedUserTransaction));
const filename = (function () {
const privateKeyBytes = ed25519Utils.randomPrivateKey();
const name = Buffer.from(privateKeyBytes).toString('hex').slice(0, 8);
return `${ name }.multisig-txn`
})();
console.log({ filename })
writeFileSync(filename, arrayify(partial_signed_txn_hex));
const rbuf = readFileSync(filename);
Expand All @@ -211,12 +218,110 @@ test('2-3 multi sign', async () => {
}

// 2.2 alice 拿到上述的交易文件后，在自己的 starcoin cosole 中签名
// account submit-multisig-txn ~/starcoin/work/starcoin-artifacts/4979854c.multisig-txn
// starcoin% account sign-multisig-txn /Users/starcoin/projects/starcoinorg/starcoin/5e764f83.multisig-txn
// mutlisig txn(address: 0xdec266f6749fa0b193f3a7f89d3cd9f2, threshold: 2): 2 signatures collected
// enough signatures collected for the multisig txn, txn can be submitted now
// {
// "ok": "/Users/starcoin/projects/starcoinorg/starcoin/194d547f.multisig-txn"
// }
// 该命令会用多签账户(由alice的私钥生成)的私钥签名生成另一个交易文件，该交易同时包含有 tom 和 alice 的签名。
// 返回信息提示用户，该多签交易已经收集到足够多的签名，可以提交到链上执行了。
const rbuf = readFileSync(filename);
console.log(hexlify(rbuf));
const txn: starcoin_types.SignedUserTransaction = bcsDecode(starcoin_types.SignedUserTransaction, hexlify(rbuf))
console.log({ txn });


})

test('second multi sign', async () => {
// const rbuf = readFileSync("/Users/wenke/Documents/starcoin/work/starcoin-artifacts/c22af117.multisig-txn");
const rbuf = readFileSync("9823493c.multisig-txn");
console.log(hexlify(rbuf));
const txn: starcoin_types.SignedUserTransaction = bcsDecode(starcoin_types.SignedUserTransaction, hexlify(rbuf))
console.log({ txn });

let existing_authenticator: starcoin_types.TransactionAuthenticatorVariantMultiEd25519
try {
existing_authenticator = txn.authenticator as starcoin_types.TransactionAuthenticatorVariantMultiEd25519
} catch (error) {
console.log(error);
throw error
}

console.log(existing_authenticator)
console.log(existing_authenticator.public_key)
console.log(existing_authenticator.signature)
console.log(existing_authenticator.signature.signatures)
expect(existing_authenticator.public_key.threshold).toEqual(2);
const { raw_txn } = txn
const existing_signatures = new starcoin_types.MultiEd25519SignatureShard(existing_authenticator.signature, existing_authenticator.public_key.threshold)

console.log({ raw_txn, existing_signatures })
const signatureAlice = await getSignatureHex(raw_txn, alice.private_key)
console.log({ signatureAlice })

const publicKeys1 = [bob.public_key, tom.public_key];
const privateKeys1 = [alice.private_key];

const shardAlice = await createMultiEd25519KeyShard(publicKeys1, privateKeys1, thresHold)
console.log({ shardAlice })
const multiAccountAlice = showMultiEd25519Account(shardAlice)
console.log({ multiAccountAlice });
const signatureShard = await signMultiEd25519KeyShard(shardAlice, raw_txn)
console.log({ signatureShard })

const my_signatures = new starcoin_types.MultiEd25519SignatureShard(signatureShard.signature, existing_authenticator.public_key.threshold)
const signatures = []
signatures.push(existing_signatures)
signatures.push(my_signatures)
console.log({ signatures })
const merged_signatures = starcoin_types.MultiEd25519SignatureShard.merge(signatures)
console.log({ merged_signatures })
if (!merged_signatures.is_enough()) {
console.log(`still require ${ merged_signatures.threshold - merged_signatures.signature.signatures.length } signatures`);
} else {
console.log('enough signatures collected for the multisig txn, txn can be submitted now')
}
const authenticator = new starcoin_types.TransactionAuthenticatorVariantMultiEd25519(shardAlice.publicKey(), merged_signatures.signature)

const partial_signed_txn = new starcoin_types.SignedUserTransaction(raw_txn, authenticator)

console.log({ partial_signed_txn })
console.log(partial_signed_txn.authenticator)

const filename = (function () {
const privateKeyBytes = ed25519Utils.randomPrivateKey();
const name = Buffer.from(privateKeyBytes).toString('hex').slice(0, 8);
return `${ name }.multisig-txn`
})();
console.log({ filename })
// write Uint8Array into local binary file
try {
const partial_signed_txn_hex = bcsEncode(partial_signed_txn);
console.log({ partial_signed_txn_hex })
const signed_txn = bcsDecode(starcoin_types.SignedUserTransaction, partial_signed_txn_hex)
console.log({ signed_txn })
expect(partial_signed_txn_hex).toEqual(bcsEncode(signed_txn as starcoin_types.SignedUserTransaction));
console.log({ filename })
writeFileSync(filename, arrayify(partial_signed_txn_hex));
const rbuf2 = readFileSync(filename);
console.log(hexlify(rbuf2));

const rbuf3 = readFileSync("/Users/wenke/Documents/starcoin/work/starcoin-artifacts/c22af117.multisig-txn");
console.log(hexlify(rbuf3));
expect(hexlify(rbuf3)).toEqual(hexlify(rbuf2));
} catch (error) {
console.log(error);
}
})

test('bit operator', () => {
console.log(dec2bin(-1073741824))
const a = 0b00000000000000000000000000000001
const b = 0b00010000000000000000000000000000
console.log({ a, b })
console.log(dec2bin(a | b))
const b1 = bin2dec('11111111')
const b2 = 0b11111111
console.log({ b1, b2 })
Expand Down

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