@graphprotocol/graph-cli/dist/scaffold/mapping.js

CLI for building for and deploying to The Graph

"use strict";
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    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
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var __importStar = (this && this.__importStar) || function (mod) {
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    __setModuleDefault(result, mod);
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};
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateEventIndexingHandlers = exports.generateEventFieldAssignments = exports.renameInput = exports.INPUT_NAMES_BLACKLIST = exports.generateFieldAssignments = exports.generateFieldAssignment = void 0;
const util = __importStar(require("../codegen/util"));
const generateFieldAssignment = (key, value) => `entity.${key.join('_')} = event.params.${value.join('.')}`;
exports.generateFieldAssignment = generateFieldAssignment;
const generateFieldAssignments = ({ index, input }) => input.type === 'tuple'
    ? util
        .unrollTuple({ value: input, index, path: [input.name || `param${index}`] })
        .map(({ path }) => (0, exports.generateFieldAssignment)(path, path))
    : (0, exports.generateFieldAssignment)([(input.mappedName ?? input.name) || `param${index}`], [input.name || `param${index}`]);
exports.generateFieldAssignments = generateFieldAssignments;
/**
 * Map of input names that are reserved so we do not use them as field names to avoid conflicts
 */
exports.INPUT_NAMES_BLACKLIST = {
    /** Related to https://github.com/graphprotocol/graph-tooling/issues/710 */
    id: 'id',
};
const renameInput = (name, subgraphName) => {
    const inputMap = {
        [exports.INPUT_NAMES_BLACKLIST.id]: `${subgraphName}_id`,
    };
    return inputMap?.[name] ?? name;
};
exports.renameInput = renameInput;
const generateEventFieldAssignments = (event, contractName) => event.inputs.reduce((acc, input, index) => {
    if (Object.values(exports.INPUT_NAMES_BLACKLIST).includes(input.name)) {
        input.mappedName = (0, exports.renameInput)(input.name, contractName ?? 'contract');
    }
    return acc.concat((0, exports.generateFieldAssignments)({ input, index }));
}, []);
exports.generateEventFieldAssignments = generateEventFieldAssignments;
const generateEventIndexingHandlers = (events, contractName) => `
  import { ${events.map(event => `${event._alias} as ${event._alias}Event`)}} from '../generated/${contractName}/${contractName}'
  import { ${events.map(event => event._alias)} } from '../generated/schema'

  ${events
    .map(event => `
  export function handle${event._alias}(event: ${event._alias}Event): void {
    let entity = new ${event._alias}(event.transaction.hash.concatI32(event.logIndex.toI32()))
    ${(0, exports.generateEventFieldAssignments)(event, contractName).join('\n')}

    entity.blockNumber = event.block.number
    entity.blockTimestamp = event.block.timestamp
    entity.transactionHash = event.transaction.hash

    entity.save()
  }
    `)
    .join('\n')}
`;
exports.generateEventIndexingHandlers = generateEventIndexingHandlers;