@metamask/multichain-account-service
Version:
Service to manage multichain accounts
1 lines • 10.1 kB
Source Map (JSON)
{"version":3,"file":"BaseBip44AccountProvider.mjs","sourceRoot":"","sources":["../../src/providers/BaseBip44AccountProvider.ts"],"names":[],"mappings":";;;;;;AAAA,OAAO,EAAE,cAAc,EAAE,8BAA8B;AAmBvD;;;;;GAKG;AACH,MAAM,UAAU,oBAAoB,CAClC,OAAuB;IAEvB,IAAI,CAAC,cAAc,CAAC,OAAO,CAAC,EAAE,CAAC;QAC7B,MAAM,IAAI,KAAK,CAAC,0CAA0C,CAAC,CAAC;IAC9D,CAAC;AACH,CAAC;AAED;;;;;GAKG;AACH,MAAM,UAAU,sBAAsB,CACpC,QAA0B;IAE1B,QAAQ,CAAC,OAAO,CAAC,oBAAoB,CAAC,CAAC;AACzC,CAAC;AA6ED,MAAM,OAAgB,wBAAwB;IAO5C,YAAY,SAA4C;;QAF9C,aAAQ,GAA4C,IAAI,GAAG,EAAE,CAAC;QAGtE,IAAI,CAAC,SAAS,GAAG,SAAS,CAAC;IAC7B,CAAC;IAED;;;;;;OAMG;IACH,IAAI,CAAC,QAAyB;QAC5B,KAAK,MAAM,OAAO,IAAI,QAAQ,EAAE,CAAC;YAC/B,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,OAAO,CAAC,CAAC;QAC7B,CAAC;IACH,CAAC;IAWD;;;;OAIG;IACH,WAAW;QACT,MAAM,WAAW,GAAG,uBAAA,IAAI,oFAAe,MAAnB,IAAI,CAAiB,CAAC;QAC1C,MAAM,gBAAgB,GAAG,IAAI,CAAC,SAAS,CAAC,IAAI,CAC1C,gCAAgC,EAChC,WAAW,CACZ,CAAC;QACF,uEAAuE;QACvE,OAAO,gBAAwC,CAAC;IAClD,CAAC;IAED;;;;;;OAMG;IACH,UAAU,CAAC,EAAiB;QAC1B,MAAM,UAAU,GAAG,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,EAAE,CAAC,CAAC;QAEzC,IAAI,CAAC,UAAU,EAAE,CAAC;YAChB,MAAM,IAAI,KAAK,CAAC,2BAA2B,EAAE,EAAE,CAAC,CAAC;QACnD,CAAC;QAED,iFAAiF;QACjF,gFAAgF;QAChF,OAAO,IAAI,CAAC,SAAS,CAAC,IAAI,CACxB,+BAA+B,EAC/B,EAAE,CACmB,CAAC;IAC1B,CAAC;IAED;;;;;;;;;;OAUG;IACO,KAAK,CAAC,aAAa,CAI3B,QAA4C,EAC5C,SAM6B;QAE7B,MAAM,MAAM,GAAG,MAAM,IAAI,CAAC,SAAS,CAAC,IAAI,CACtC,iCAAiC,EACjC,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;IAED,SAAS,CACP,QAAgE,EAChE,UAA2B;QAE3B,OAAO,CACL,UAAU,CAAC,MAAM,IAAI,CAAC,IAAI,UAAU,CAAC,KAAK,CAAC,CAAC,EAAE,EAAE,EAAE,CAAC,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,EAAE,CAAC,CAAC,CAC1E,CAAC;IACJ,CAAC;CAuBF;;IA3GG,OAAO,CAAC,GAAG,IAAI,CAAC,QAAQ,CAAC,CAAC;AAC5B,CAAC","sourcesContent":["import { isBip44Account } from '@metamask/account-api';\nimport type { AccountProvider, Bip44Account } from '@metamask/account-api';\nimport type {\n CreateAccountOptions,\n EntropySourceId,\n KeyringAccount,\n} from '@metamask/keyring-api';\nimport type {\n Keyring as KeyringV2,\n KeyringCapabilities,\n} from '@metamask/keyring-api/v2';\nimport type {\n KeyringMetadata,\n KeyringSelectorV2,\n} from '@metamask/keyring-controller';\nimport type { InternalAccount } from '@metamask/keyring-internal-api';\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 type Bip44AccountProvider<\n Account extends Bip44Account<KeyringAccount> = Bip44Account<KeyringAccount>,\n> = AccountProvider<Account> & {\n /**\n * Provider capabilities, including supported scopes and BIP-44 options.\n *\n * @returns The provider capabilities.\n */\n get capabilities(): KeyringCapabilities;\n /**\n * Get the name of the provider.\n *\n * @returns The name of the provider.\n */\n getName(): string;\n /**\n * Initialize the provider with the given accounts.\n *\n * @param accounts - The accounts to initialize the provider with.\n */\n init(accounts: Bip44Account<KeyringAccount>['id'][]): void;\n /**\n * Check if the account is compatible with the provider.\n */\n isAccountCompatible(account: Bip44Account<KeyringAccount>): boolean;\n /**\n * Create accounts for the provider.\n *\n * @param options - The options for creating the accounts.\n * @param options.entropySource - The entropy source.\n * @param options.groupIndex - The group index.\n * @param options.type - The type of account creation.\n * @returns The created accounts.\n */\n createAccounts(options: CreateAccountOptions): Promise<Account[]>;\n /**\n * Delete an account managed by this provider.\n *\n * Mirrors the v2 keyring `deleteAccount(accountId)` contract. Each provider\n * implementation is responsible for resolving any extra information it needs\n * (e.g. address for snap-based providers) and for performing the underlying\n * keyring removal.\n *\n * @param id - The id of the account to delete.\n */\n deleteAccount(id: Account['id']): Promise<void>;\n /**\n * Re-synchronize MetaMask accounts and the providers accounts if needed.\n *\n * NOTE: This is mostly required if one of the providers (keyrings or Snaps)\n * have different sets of accounts. This method would ensure that both are\n * in-sync and use the same accounts (and same IDs).\n */\n resyncAccounts(accounts: Bip44Account<InternalAccount>[]): Promise<void>;\n /**\n * Check if the provider has an aligned (i.e. present and owned) account for\n * the given entropy source and group index.\n *\n * Callers pre-filter the relevant account IDs from the group and pass them\n * in so the provider needs no messenger call.\n *\n * @param context - The entropy source and group index to check.\n * @param context.entropySource - The entropy source to check against.\n * @param context.groupIndex - The group index to check against.\n * @param accountIds - Account IDs already associated with this provider for\n * the given group (may be empty if no alignment has happened yet).\n * @returns `true` when `accountIds` is non-empty and every ID is in the\n * provider's internal accounts Set.\n */\n isAligned(\n context: { entropySource: EntropySourceId; groupIndex: number },\n accountIds: Account['id'][],\n ): boolean;\n};\n\nexport abstract class BaseBip44AccountProvider<\n Account extends Bip44Account<KeyringAccount> = Bip44Account<KeyringAccount>,\n> implements Bip44AccountProvider<Account> {\n protected readonly messenger: MultichainAccountServiceMessenger;\n\n protected accounts: Set<Bip44Account<KeyringAccount>['id']> = new Set();\n\n constructor(messenger: MultichainAccountServiceMessenger) {\n this.messenger = messenger;\n }\n\n /**\n * Add accounts to the provider.\n *\n * Note: There's an implicit assumption that the accounts are BIP-44 compatible.\n *\n * @param accounts - The accounts to add.\n */\n init(accounts: Account['id'][]): void {\n for (const account of accounts) {\n this.accounts.add(account);\n }\n }\n\n /**\n * Get the accounts list for the provider.\n *\n * @returns The accounts list.\n */\n #getAccountIds(): Account['id'][] {\n return [...this.accounts];\n }\n\n /**\n * Get the accounts list for the provider from the AccountsController.\n *\n * @returns The accounts list.\n */\n getAccounts(): Account[] {\n const accountsIds = this.#getAccountIds();\n const internalAccounts = this.messenger.call(\n 'AccountsController:getAccounts',\n accountsIds,\n );\n // we cast here because we know that the accounts are BIP-44 compatible\n return internalAccounts as unknown as Account[];\n }\n\n /**\n * Get the account for the provider.\n *\n * @param id - The account ID.\n * @returns The account.\n * @throws If the account is not found.\n */\n getAccount(id: Account['id']): Account {\n const hasAccount = this.accounts.has(id);\n\n if (!hasAccount) {\n throw new Error(`Unable to find account: ${id}`);\n }\n\n // We need to upcast here since InternalAccounts are not always BIP-44 compatible\n // but we know that the account is BIP-44 compatible here so it is safe to do so\n return this.messenger.call(\n 'AccountsController:getAccount',\n id,\n ) as unknown as Account;\n }\n\n /**\n * Run an operation against a V2 keyring selected by `selector`.\n *\n * Forwards to `KeyringController:withKeyringV2`. Use this for keyrings\n * that implement the unified V2 `Keyring` interface from\n * `@metamask/keyring-api/v2`.\n *\n * @param selector - The selector identifying the keyring.\n * @param operation - The operation to run with the selected keyring.\n * @returns The result of the operation.\n */\n protected async withKeyringV2<\n SelectedKeyring extends KeyringV2 = KeyringV2,\n CallbackResult = void,\n >(\n selector: KeyringSelectorV2<SelectedKeyring>,\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:withKeyringV2',\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 isAligned(\n _context: { entropySource: EntropySourceId; groupIndex: number },\n accountIds: Account['id'][],\n ): boolean {\n return (\n accountIds.length >= 1 && accountIds.every((id) => this.accounts.has(id))\n );\n }\n\n abstract get capabilities(): KeyringCapabilities;\n\n abstract getName(): string;\n\n abstract resyncAccounts(\n accounts: Bip44Account<InternalAccount>[],\n ): Promise<void>;\n\n abstract isAccountCompatible(account: Bip44Account<KeyringAccount>): boolean;\n\n abstract createAccounts(options: CreateAccountOptions): Promise<Account[]>;\n\n abstract deleteAccount(id: Account['id']): Promise<void>;\n\n abstract discoverAccounts({\n entropySource,\n groupIndex,\n }: {\n entropySource: EntropySourceId;\n groupIndex: number;\n }): Promise<Account[]>;\n}\n"]}