@metamask/multichain-account-service
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Service to manage multichain accounts
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{"version":3,"file":"BaseAccountProvider.cjs","sourceRoot":"","sources":["../../src/providers/BaseAccountProvider.ts"],"names":[],"mappings":";;;;;;;;;AAAA,uDAI+B;AAS/B;;;;;GAKG;AACH,SAAgB,oBAAoB,CAClC,OAAuB;IAEvB,IAAI,CAAC,IAAA,4BAAc,EAAC,OAAO,CAAC,EAAE;QAC5B,MAAM,IAAI,KAAK,CAAC,0CAA0C,CAAC,CAAC;KAC7D;AACH,CAAC;AAND,oDAMC;AAED;;;;;GAKG;AACH,SAAgB,sBAAsB,CACpC,QAA0B;IAE1B,QAAQ,CAAC,OAAO,CAAC,oBAAoB,CAAC,CAAC;AACzC,CAAC;AAJD,wDAIC;AAED,MAAsB,mBAAmB;IAKvC,YAAY,SAA4C;;QACtD,IAAI,CAAC,SAAS,GAAG,SAAS,CAAC;IAC7B,CAAC;IAyBD,WAAW;QACT,OAAO,uBAAA,IAAI,wEAAa,MAAjB,IAAI,CAAe,CAAC;IAC7B,CAAC;IAED,UAAU,CACR,EAAsC;QAEtC,wDAAwD;QACxD,MAAM,CAAC,KAAK,CAAC,GAAG,uBAAA,IAAI,wEAAa,MAAjB,IAAI,EAAc,CAAC,OAAO,EAAE,EAAE,CAAC,OAAO,CAAC,EAAE,KAAK,EAAE,CAAC,CAAC;QAElE,IAAI,CAAC,KAAK,EAAE;YACV,MAAM,IAAI,KAAK,CAAC,2BAA2B,EAAE,EAAE,CAAC,CAAC;SAClD;QAED,OAAO,KAAK,CAAC;IACf,CAAC;IAES,KAAK,CAAC,WAAW,CACzB,QAAyB,EACzB,SAM6B;QAE7B,MAAM,MAAM,GAAG,MAAM,IAAI,CAAC,SAAS,CAAC,IAAI,CACtC,+BAA+B,EAC/B,QAAQ,EACR,CAAC,EAAE,OAAO,EAAE,QAAQ,EAAE,EAAE,EAAE,CACxB,SAAS,CAAC;YACR,OAAO,EAAE,OAA0B;YACnC,QAAQ;SACT,CAAC,CACL,CAAC;QAEF,OAAO,MAAwB,CAAC;IAClC,CAAC;CAmBF;AAzFD,kDAyFC;6HA/EG,SAA+C,GAAG,EAAE,CAAC,IAAI;IAEzD,MAAM,QAAQ,GAAmC,EAAE,CAAC;IAEpD,KAAK,MAAM,OAAO,IAAI,IAAI,CAAC,SAAS,CAAC,IAAI;IACvC,2EAA2E;IAC3E,yEAAyE;IACzE,kDAAkD;IAClD,2CAA2C,CAC5C,EAAE;QACD,IACE,IAAA,4BAAc,EAAC,OAAO,CAAC;YACvB,IAAI,CAAC,mBAAmB,CAAC,OAAO,CAAC;YACjC,MAAM,CAAC,OAAO,CAAC,EACf;YACA,QAAQ,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;SACxB;KACF;IAED,OAAO,QAAQ,CAAC;AAClB,CAAC","sourcesContent":["import {\n isBip44Account,\n type AccountProvider,\n type Bip44Account,\n} from '@metamask/account-api';\nimport type { EntropySourceId, KeyringAccount } from '@metamask/keyring-api';\nimport type {\n KeyringMetadata,\n KeyringSelector,\n} from '@metamask/keyring-controller';\n\nimport type { MultichainAccountServiceMessenger } from '../types';\n\n/**\n * Asserts a keyring account is BIP-44 compatible.\n *\n * @param account - Keyring account to check.\n * @throws If the keyring account is not compatible.\n */\nexport function assertIsBip44Account(\n account: KeyringAccount,\n): asserts account is Bip44Account<KeyringAccount> {\n if (!isBip44Account(account)) {\n throw new Error('Created account is not BIP-44 compatible');\n }\n}\n\n/**\n * Asserts that a list of keyring accounts are all BIP-44 compatible.\n *\n * @param accounts - Keyring accounts to check.\n * @throws If any of the keyring account is not compatible.\n */\nexport function assertAreBip44Accounts(\n accounts: KeyringAccount[],\n): asserts accounts is Bip44Account<KeyringAccount>[] {\n accounts.forEach(assertIsBip44Account);\n}\n\nexport abstract class BaseAccountProvider\n implements AccountProvider<Bip44Account<KeyringAccount>>\n{\n protected readonly messenger: MultichainAccountServiceMessenger;\n\n constructor(messenger: MultichainAccountServiceMessenger) {\n this.messenger = messenger;\n }\n\n #getAccounts(\n filter: (account: KeyringAccount) => boolean = () => true,\n ): Bip44Account<KeyringAccount>[] {\n const accounts: Bip44Account<KeyringAccount>[] = [];\n\n for (const account of this.messenger.call(\n // NOTE: Even though the name is misleading, this only fetches all internal\n // accounts, including EVM and non-EVM. We might wanna change this action\n // name once we fully support multichain accounts.\n 'AccountsController:listMultichainAccounts',\n )) {\n if (\n isBip44Account(account) &&\n this.isAccountCompatible(account) &&\n filter(account)\n ) {\n accounts.push(account);\n }\n }\n\n return accounts;\n }\n\n getAccounts(): Bip44Account<KeyringAccount>[] {\n return this.#getAccounts();\n }\n\n getAccount(\n id: Bip44Account<KeyringAccount>['id'],\n ): Bip44Account<KeyringAccount> {\n // TODO: Maybe just use a proper find for faster lookup?\n const [found] = this.#getAccounts((account) => account.id === id);\n\n if (!found) {\n throw new Error(`Unable to find account: ${id}`);\n }\n\n return found;\n }\n\n protected async withKeyring<SelectedKeyring, CallbackResult = void>(\n selector: KeyringSelector,\n operation: ({\n keyring,\n metadata,\n }: {\n keyring: SelectedKeyring;\n metadata: KeyringMetadata;\n }) => Promise<CallbackResult>,\n ): Promise<CallbackResult> {\n const result = await this.messenger.call(\n 'KeyringController:withKeyring',\n selector,\n ({ keyring, metadata }) =>\n operation({\n keyring: keyring as SelectedKeyring,\n metadata,\n }),\n );\n\n return result as CallbackResult;\n }\n\n abstract isAccountCompatible(account: Bip44Account<KeyringAccount>): boolean;\n\n abstract createAccounts({\n entropySource,\n groupIndex,\n }: {\n entropySource: EntropySourceId;\n groupIndex: number;\n }): Promise<Bip44Account<KeyringAccount>[]>;\n\n abstract discoverAndCreateAccounts({\n entropySource,\n groupIndex,\n }: {\n entropySource: EntropySourceId;\n groupIndex: number;\n }): Promise<Bip44Account<KeyringAccount>[]>;\n}\n"]}