actions/read-from-a-smart-contract/read-from-a-smart-contract.mjs
import { NETWORK_OPTIONS, TECHNOLOGY_OPTIONS, } from "../../common/constants.mjs"; import { parseObject } from "../../common/utils.mjs"; import overledger from "../../overledger.app.mjs"; export default { key: "overledger-read-from-a-smart-contract", name: "Read from a smart contract", description: "Reads data from a specified smart contract on the Overledger network.", version: "0.0.3", annotations: { destructiveHint: false, openWorldHint: true, readOnlyHint: true, }, type: "action", props: { overledger, environment: { propDefinition: [ overledger, "environment", ], }, locationTechnology: { type: "string", label: "Location Technology", description: "The technology of the blockchain that the transaction will be submitted to", options: TECHNOLOGY_OPTIONS, reloadProps: true, }, functionName: { type: "string", label: "Function Name", description: "The name of the function to call on the smart contract.", }, inputParameters: { type: "string[]", label: "Input Parameters", description: "The input parameters for the smart contract function, provide both type and value in object format. Example: {\"type\":\"uint256\",\"value\":\"5\"} or {\"type\":\"address\",\"value\":\"0x3....ed8\"}", optional: true, default: [], }, smartContractId: { type: "string", label: "Smart Contract ID", description: "The ID/address of the smart contract to interact with.", }, outputParameters: { type: "string[]", label: "Output Parameters", description: "Each output parameter expected, provide just the type in object format. Example - 1) function returns one uint256 value: {\"type\": \"uint256\"} or 2) function returns two address values: {\"type\": \"address\"},{\"type\": \"address\"}", optional: true, default: [], }, }, async additionalProps() { const props = {}; if (this.locationTechnology) { props.locationNetwork = { type: "string", label: "Location Network", description: "The blockchain network the transaction will be submitted to.", options: NETWORK_OPTIONS[this.locationTechnology], }; } return props; }, async run({ $ }) { const requestBody = { location: { technology: this.locationTechnology, network: this.locationNetwork, }, functionName: this.functionName, inputParameters: parseObject(this.inputParameters), smartContractId: this.smartContractId, outputParameters: parseObject(this.outputParameters), }; const response = await this.overledger.readFromSmartContract({ $, environment: this.environment, data: requestBody, }); $.export("$summary", `Successfully read from contract: ${this.smartContractId}`); return response; }, };
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