@metamask/snaps-rpc-methods
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MetaMask Snaps JSON-RPC method implementations
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{"version":3,"file":"getInterfaceState.mjs","sourceRoot":"","sources":["../../src/permitted/getInterfaceState.ts"],"names":[],"mappings":"AAEA,OAAO,EAAE,SAAS,EAAE,6BAA6B;AAQjD,OAAO,EAAE,WAAW,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,8BAA8B;AAK5E,MAAM,SAAS,GAAoD;IACjE,iBAAiB,EAAE,IAAI;CACxB,CAAC;AAUF,MAAM,CAAC,MAAM,wBAAwB,GAIjC;IACF,WAAW,EAAE,CAAC,wBAAwB,CAAC;IACvC,cAAc,EAAE,kCAAkC;IAClD,SAAS;CACV,CAAC;AAEF,MAAM,iCAAiC,GAAG,MAAM,CAAC;IAC/C,EAAE,EAAE,MAAM,EAAE;CACb,CAAC,CAAC;AAOH;;;;;;;;;;;GAWG;AACH,SAAS,kCAAkC,CACzC,GAAgD,EAChD,GAAoD,EACpD,KAAc,EACd,GAA6B,EAC7B,EAAE,iBAAiB,EAAgC;IAEnD,MAAM,EAAE,MAAM,EAAE,GAAG,GAAG,CAAC;IAEvB,IAAI,CAAC;QACH,MAAM,eAAe,GAAG,kBAAkB,CAAC,MAAM,CAAC,CAAC;QAEnD,MAAM,EAAE,EAAE,EAAE,GAAG,eAAe,CAAC;QAE/B,GAAG,CAAC,MAAM,GAAG,iBAAiB,CAAC,EAAE,CAAC,CAAC;IACrC,CAAC;IAAC,OAAO,KAAK,EAAE,CAAC;QACf,OAAO,GAAG,CAAC,KAAK,CAAC,CAAC;IACpB,CAAC;IAED,OAAO,GAAG,EAAE,CAAC;AACf,CAAC;AAED;;;;;;GAMG;AACH,SAAS,kBAAkB,CAAC,MAAe;IACzC,IAAI,CAAC;QACH,OAAO,MAAM,CAAC,MAAM,EAAE,iCAAiC,CAAC,CAAC;IAC3D,CAAC;IAAC,OAAO,KAAK,EAAE,CAAC;QACf,IAAI,KAAK,YAAY,WAAW,EAAE,CAAC;YACjC,MAAM,SAAS,CAAC,aAAa,CAAC;gBAC5B,OAAO,EAAE,mBAAmB,KAAK,CAAC,OAAO,GAAG;aAC7C,CAAC,CAAC;QACL,CAAC;QACD,0BAA0B;QAC1B,MAAM,SAAS,CAAC,QAAQ,EAAE,CAAC;IAC7B,CAAC;AACH,CAAC","sourcesContent":["import type { JsonRpcEngineEndCallback } from '@metamask/json-rpc-engine';\nimport type { PermittedHandlerExport } from '@metamask/permission-controller';\nimport { rpcErrors } from '@metamask/rpc-errors';\nimport type {\n GetInterfaceStateParams,\n GetInterfaceStateResult,\n InterfaceState,\n JsonRpcRequest,\n} from '@metamask/snaps-sdk';\nimport { type InferMatching } from '@metamask/snaps-utils';\nimport { StructError, create, object, string } from '@metamask/superstruct';\nimport type { PendingJsonRpcResponse } from '@metamask/utils';\n\nimport type { MethodHooksObject } from '../utils';\n\nconst hookNames: MethodHooksObject<GetInterfaceStateMethodHooks> = {\n getInterfaceState: true,\n};\n\nexport type GetInterfaceStateMethodHooks = {\n /**\n * @param id - The interface ID.\n * @returns The interface state.\n */\n getInterfaceState: (id: string) => InterfaceState;\n};\n\nexport const getInterfaceStateHandler: PermittedHandlerExport<\n GetInterfaceStateMethodHooks,\n GetInterfaceStateParameters,\n GetInterfaceStateResult\n> = {\n methodNames: ['snap_getInterfaceState'],\n implementation: getGetInterfaceStateImplementation,\n hookNames,\n};\n\nconst GetInterfaceStateParametersStruct = object({\n id: string(),\n});\n\nexport type GetInterfaceStateParameters = InferMatching<\n typeof GetInterfaceStateParametersStruct,\n GetInterfaceStateParams\n>;\n\n/**\n * The `snap_getInterfaceState` method implementation.\n *\n * @param req - The JSON-RPC request object.\n * @param res - The JSON-RPC response object.\n * @param _next - The `json-rpc-engine` \"next\" callback. Not used by this\n * function.\n * @param end - The `json-rpc-engine` \"end\" callback.\n * @param hooks - The RPC method hooks.\n * @param hooks.getInterfaceState - The function to get the interface state.\n * @returns Noting.\n */\nfunction getGetInterfaceStateImplementation(\n req: JsonRpcRequest<GetInterfaceStateParameters>,\n res: PendingJsonRpcResponse<GetInterfaceStateResult>,\n _next: unknown,\n end: JsonRpcEngineEndCallback,\n { getInterfaceState }: GetInterfaceStateMethodHooks,\n): void {\n const { params } = req;\n\n try {\n const validatedParams = getValidatedParams(params);\n\n const { id } = validatedParams;\n\n res.result = getInterfaceState(id);\n } catch (error) {\n return end(error);\n }\n\n return end();\n}\n\n/**\n * Validate the getInterfaceState method `params` and returns them cast to the correct\n * type. Throws if validation fails.\n *\n * @param params - The unvalidated params object from the method request.\n * @returns The validated getInterfaceState method parameter object.\n */\nfunction getValidatedParams(params: unknown): GetInterfaceStateParameters {\n try {\n return create(params, GetInterfaceStateParametersStruct);\n } catch (error) {\n if (error instanceof StructError) {\n throw rpcErrors.invalidParams({\n message: `Invalid params: ${error.message}.`,\n });\n }\n /* istanbul ignore next */\n throw rpcErrors.internal();\n }\n}\n"]}