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feat(sdk-core): add MPCv2 wallet creation
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modules/bitgo/test/v2/unit/internal/tssUtils/ecdsaMPCv2.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| import * as openpgp from 'openpgp'; | ||
| import { ec } from 'elliptic'; | ||
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| import { IBaseCoin } from '../../../baseCoin'; | ||
| import baseTSSUtils from '../baseTSSUtils'; | ||
| import { KeyShare } from './types'; | ||
| import { BackupGpgKey } from '../baseTypes'; | ||
| import { generateGPGKeyPair, getBitgoGpgPubKey, getTrustGpgPubKey } from '../../opengpgUtils'; | ||
| import { BitGoBase } from '../../../bitgoBase'; | ||
| import { IWallet } from '../../../wallet'; | ||
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| /** @inheritdoc */ | ||
| export class BaseEcdsaUtils extends baseTSSUtils<KeyShare> { | ||
| // We do not have full support for 3-party verification (w/ external source) of key shares and signature shares. There is no 3rd party key service support with this release. | ||
| protected bitgoPublicGpgKey: openpgp.Key; | ||
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| constructor(bitgo: BitGoBase, baseCoin: IBaseCoin, wallet?: IWallet) { | ||
| super(bitgo, baseCoin, wallet); | ||
| this.setBitgoGpgPubKey(bitgo); | ||
| } | ||
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| private async setBitgoGpgPubKey(bitgo) { | ||
| this.bitgoPublicGpgKey = await getBitgoGpgPubKey(bitgo); | ||
| } | ||
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| async getBitgoPublicGpgKey(): Promise<openpgp.Key> { | ||
| if (!this.bitgoPublicGpgKey) { | ||
| // retry getting bitgo's gpg key | ||
| await this.setBitgoGpgPubKey(this.bitgo); | ||
| if (!this.bitgoPublicGpgKey) { | ||
| throw new Error("Failed to get Bitgo's gpg key"); | ||
| } | ||
| } | ||
|
|
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| return this.bitgoPublicGpgKey; | ||
| } | ||
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| /** | ||
| * Gets backup pub gpg key string | ||
| * if a third party provided then get from trust | ||
| * @param isThirdPartyBackup | ||
| */ | ||
| async getBackupGpgPubKey(isThirdPartyBackup = false): Promise<BackupGpgKey> { | ||
| return isThirdPartyBackup ? getTrustGpgPubKey(this.bitgo) : generateGPGKeyPair('secp256k1'); | ||
| } | ||
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| /** | ||
| * util function that checks that a commonKeychain is valid and can ultimately resolve to a valid public key | ||
| * @param commonKeychain - a user uploaded commonKeychain string | ||
| * @throws if the commonKeychain is invalid length or invalid format | ||
| */ | ||
|
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| static validateCommonKeychainPublicKey(commonKeychain: string) { | ||
| const pub = BaseEcdsaUtils.getPublicKeyFromCommonKeychain(commonKeychain); | ||
| const secp256k1 = new ec('secp256k1'); | ||
| const key = secp256k1.keyFromPublic(pub, 'hex'); | ||
| return key.getPublic().encode('hex', false).slice(2); | ||
| } | ||
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| /** | ||
| * Gets the common public key from commonKeychain. | ||
| * | ||
| * @param {String} commonKeychain common key chain between n parties | ||
| * @returns {string} encoded public key | ||
| */ | ||
| static getPublicKeyFromCommonKeychain(commonKeychain: string): string { | ||
| if (commonKeychain.length !== 130) { | ||
| throw new Error(`Invalid commonKeychain length, expected 130, got ${commonKeychain.length}`); | ||
| } | ||
| const commonPubHexStr = commonKeychain.slice(0, 66); | ||
| return commonPubHexStr; | ||
| } | ||
| } |
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