@metamask/snaps-rpc-methods
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MetaMask Snaps JSON-RPC method implementations
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{"version":3,"file":"middleware.mjs","sourceRoot":"","sources":["../../src/permitted/middleware.ts"],"names":[],"mappings":"AAAA,OAAO,EACL,sBAAsB,EAEvB,kCAAkC;AAEnC,OAAO,EAAE,SAAS,EAAE,6BAA6B;AACjD,OAAO,EAAE,QAAQ,EAAE,8BAA8B;AAIjD,OAAO,EAAE,4BAA4B,EAAE,oCAAgC;AACvE,OAAO,EAAE,iBAAiB,EAAE,yBAAqB;AACjD,OAAO,EAAE,qBAAqB,EAAE,6BAAyB;AACzD,OAAO,EAAE,sBAAsB,EAAE,8BAA0B;AAC3D,OAAO,EAAE,eAAe,EAAE,uBAAmB;AAC7C,OAAO,EAAE,kBAAkB,EAAE,0BAAsB;AACnD,OAAO,EAAE,0BAA0B,EAAE,kCAA8B;AACnE,OAAO,EAAE,sBAAsB,EAAE,8BAA0B;AAC3D,OAAO,EAAE,cAAc,EAAE,sBAAkB;AAC3C,OAAO,EAAE,0BAA0B,EAAE,kCAA8B;AACnE,OAAO,EAAE,wBAAwB,EAAE,gCAA4B;AAC/D,OAAO,EAAE,eAAe,EAAE,uBAAmB;AAC7C,OAAO,EAAE,eAAe,EAAE,uBAAmB;AAC7C,OAAO,EAAE,oBAAoB,EAAE,4BAAwB;AACvD,OAAO,EAAE,oBAAoB,EAAE,4BAAwB;AACvD,OAAO,EAAE,sBAAsB,EAAE,8BAA0B;AAC3D,OAAO,EAAE,yBAAyB,EAAE,iCAA6B;AACjE,OAAO,EAAE,oBAAoB,EAAE,4BAAwB;AACvD,OAAO,EAAE,oBAAoB,EAAE,4BAAwB;AACvD,OAAO,EAAE,mBAAmB,EAAE,2BAAuB;AACrD,OAAO,EAAE,uBAAuB,EAAE,+BAA2B;AAC7D,OAAO,EAAE,8BAA8B,EAAE,sCAAkC;AAC3E,OAAO,EAAE,2BAA2B,EAAE,mCAA+B;AACrE,OAAO,EAAE,eAAe,EAAE,uBAAmB;AAC7C,OAAO,EAAE,iBAAiB,EAAE,yBAAqB;AACjD,OAAO,EAAE,iBAAiB,EAAE,yBAAqB;AACjD,OAAO,EAAE,iBAAiB,EAAE,yBAAqB;AACjD,OAAO,EAAE,sBAAsB,EAAE,8BAA0B;AAE3D,yDAAyD;AACzD,MAAM,cAAc,GAAG;IACrB,kBAAkB,EAAE,kBAAkB;IACtC,eAAe,EAAE,eAAe;IAChC,mBAAmB,EAAE,mBAAmB;IACxC,iBAAiB,EAAE,sBAAsB;IACzC,oBAAoB,EAAE,oBAAoB;IAC1C,eAAe,EAAE,iBAAiB;IAClC,oBAAoB,EAAE,sBAAsB;IAC5C,YAAY,EAAE,cAAc;IAC5B,aAAa,EAAE,eAAe;IAC9B,oBAAoB,EAAE,sBAAsB;IAC5C,oBAAoB,EAAE,sBAAsB;IAC5C,sBAAsB,EAAE,wBAAwB;IAChD,wBAAwB,EAAE,0BAA0B;IACpD,uBAAuB,EAAE,yBAAyB;IAClD,qBAAqB,EAAE,uBAAuB;IAC9C,4BAA4B,EAAE,8BAA8B;IAC5D,0BAA0B,EAAE,4BAA4B;IACxD,wBAAwB,EAAE,0BAA0B;IACpD,aAAa,EAAE,eAAe;IAC9B,eAAe,EAAE,iBAAiB;IAClC,eAAe,EAAE,iBAAiB;IAClC,kBAAkB,EAAE,oBAAoB;IACxC,mBAAmB,EAAE,qBAAqB;IAC1C,yBAAyB,EAAE,2BAA2B;IACtD,kBAAkB,EAAE,oBAAoB;IACxC,eAAe,EAAE,iBAAiB;IAClC,aAAa,EAAE,eAAe;IAC9B,kBAAkB,EAAE,oBAAoB;CACzC,CAAC;AACF,wDAAwD;AAExD;;;;;;;GAOG;AACH,MAAM,UAAU,2BAA2B,CACzC,MAAe,EACf,KAA8B,EAC9B,SAAuD;IAEvD,MAAM,gBAAgB,GAAG,sBAAsB,CAAC;QAC9C,QAAQ,EAAE,cAAc;QACxB,KAAK;QACL,SAAS;QACT,OAAO,EAAE,QAAQ;KAClB,CAAC,CAAC;IAEH,iEAAiE;IACjE,kEAAkE;IAClE,OAAO,KAAK,UAAU,gBAAgB,CAAC,OAAO,EAAE,QAAQ,EAAE,IAAI,EAAE,GAAG;QACjE,IAAI,MAAM,CAAC,SAAS,CAAC,UAAU,CAAC,IAAI,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,CAAC,IAAI,CAAC,MAAM,EAAE,CAAC;YACzE,OAAO,GAAG,CAAC,SAAS,CAAC,cAAc,EAAE,CAAC,CAAC;QACzC,CAAC;QAED,OAAO,gBAAgB,CAAC,OAAO,EAAE,QAAQ,EAAE,IAAI,EAAE,GAAG,CAAC,CAAC;IACxD,CAAC,CAAC;AACJ,CAAC","sourcesContent":["import {\n createMethodMiddleware,\n type JsonRpcMiddleware,\n} from '@metamask/json-rpc-engine';\nimport type { Messenger } from '@metamask/messenger';\nimport { rpcErrors } from '@metamask/rpc-errors';\nimport { logError } from '@metamask/snaps-utils';\nimport type { Json, JsonRpcParams } from '@metamask/utils';\n\nimport type { PermittedRpcMethodActions, PermittedRpcMethodHooks } from '.';\nimport { cancelBackgroundEventHandler } from './cancelBackgroundEvent';\nimport { clearStateHandler } from './clearState';\nimport { closeWebSocketHandler } from './closeWebSocket';\nimport { createInterfaceHandler } from './createInterface';\nimport { endTraceHandler } from './endTrace';\nimport { getAllSnapsHandler } from './getAllSnaps';\nimport { getBackgroundEventsHandler } from './getBackgroundEvents';\nimport { getClientStatusHandler } from './getClientStatus';\nimport { getFileHandler } from './getFile';\nimport { getInterfaceContextHandler } from './getInterfaceContext';\nimport { getInterfaceStateHandler } from './getInterfaceState';\nimport { getSnapsHandler } from './getSnaps';\nimport { getStateHandler } from './getState';\nimport { getWebSocketsHandler } from './getWebSockets';\nimport { invokeKeyringHandler } from './invokeKeyring';\nimport { invokeSnapSugarHandler } from './invokeSnapSugar';\nimport { listEntropySourcesHandler } from './listEntropySources';\nimport { messengerCallHandler } from './messengerCall';\nimport { openWebSocketHandler } from './openWebSocket';\nimport { requestSnapsHandler } from './requestSnaps';\nimport { resolveInterfaceHandler } from './resolveInterface';\nimport { scheduleBackgroundEventHandler } from './scheduleBackgroundEvent';\nimport { sendWebSocketMessageHandler } from './sendWebSocketMessage';\nimport { setStateHandler } from './setState';\nimport { startTraceHandler } from './startTrace';\nimport { trackErrorHandler } from './trackError';\nimport { trackEventHandler } from './trackEvent';\nimport { updateInterfaceHandler } from './updateInterface';\n\n/* eslint-disable @typescript-eslint/naming-convention */\nconst methodHandlers = {\n wallet_getAllSnaps: getAllSnapsHandler,\n wallet_getSnaps: getSnapsHandler,\n wallet_requestSnaps: requestSnapsHandler,\n wallet_invokeSnap: invokeSnapSugarHandler,\n wallet_invokeKeyring: invokeKeyringHandler,\n snap_clearState: clearStateHandler,\n snap_getClientStatus: getClientStatusHandler,\n snap_getFile: getFileHandler,\n snap_getState: getStateHandler,\n snap_createInterface: createInterfaceHandler,\n snap_updateInterface: updateInterfaceHandler,\n snap_getInterfaceState: getInterfaceStateHandler,\n snap_getInterfaceContext: getInterfaceContextHandler,\n snap_listEntropySources: listEntropySourcesHandler,\n snap_resolveInterface: resolveInterfaceHandler,\n snap_scheduleBackgroundEvent: scheduleBackgroundEventHandler,\n snap_cancelBackgroundEvent: cancelBackgroundEventHandler,\n snap_getBackgroundEvents: getBackgroundEventsHandler,\n snap_setState: setStateHandler,\n snap_trackError: trackErrorHandler,\n snap_trackEvent: trackEventHandler,\n snap_openWebSocket: openWebSocketHandler,\n snap_closeWebSocket: closeWebSocketHandler,\n snap_sendWebSocketMessage: sendWebSocketMessageHandler,\n snap_getWebSockets: getWebSocketsHandler,\n snap_startTrace: startTraceHandler,\n snap_endTrace: endTraceHandler,\n snap_messengerCall: messengerCallHandler,\n};\n/* eslint-enable @typescript-eslint/naming-convention */\n\n/**\n * Creates a middleware that handles permitted snap RPC methods.\n *\n * @param isSnap - A flag that should indicate whether the requesting origin is a snap or not.\n * @param hooks - An object containing the hooks made available to the permitted RPC methods.\n * @param messenger - The messenger.\n * @returns The middleware.\n */\nexport function createSnapsMethodMiddleware(\n isSnap: boolean,\n hooks: PermittedRpcMethodHooks,\n messenger: Messenger<string, PermittedRpcMethodActions>,\n): JsonRpcMiddleware<JsonRpcParams, Json> {\n const nestedMiddleware = createMethodMiddleware({\n handlers: methodHandlers,\n hooks,\n messenger,\n onError: logError,\n });\n\n // This is not actually a misused promise, the type is just wrong\n // eslint-disable-next-line @typescript-eslint/no-misused-promises\n return async function methodMiddleware(request, response, next, end) {\n if (String.prototype.startsWith.call(request.method, 'snap_') && !isSnap) {\n return end(rpcErrors.methodNotFound());\n }\n\n return nestedMiddleware(request, response, next, end);\n };\n}\n"]}