INNER CODE UNIT · TypeScript

SubgraphService

yearn/yearn-sdk · src/services/subgraph/index.ts:6

export class SubgraphService extends Service {
  yearnSubgraphEndpoint?: string;

  constructor(chainId: ChainId, ctx: Context) {
    super(chainId, ctx);

    switch (chainId) {
      case 1:
      case 1337:
        // no fallback for mainnet as the hosted version has been deprecated.
        this.yearnSubgraphEndpoint = ctx.subgraph?.mainnetSubgraphEndpoint;
        break;
      case 10:
        this.yearnSubgraphEndpoint =
          ctx.subgraph?.optimismSubgraphEndpoint ||
          "https://api.thegraph.com/subgraphs/name/yearn/yearn-vaults-v2-optimism";
        break;
      case 250:

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