blockchain-api-client/src/provider/blockcypher/bitcoin/blockcypher-bitcoin-endpoints.ts

Blockchain Api Client which maps Results of all supported Blockchain API's into a unified interface

import { Endpoints } from "../../../base/endpoints";
import { Network } from "../../../base/types";

// TODO Deal with different Blockchains e.g. what if /btc/ should be /eth/
export const blockCypherEndpoints = (network: Network): Endpoints => {
  const networkPath = getNetworkPath(network);

  return {
    balance: function (address: string): string {
      return `https://api.blockcypher.com/v1/btc/${networkPath}/addrs/${address}/full`;
    },
    transactions: function (address: string, query: URLSearchParams): string {
      return `https://api.blockcypher.com/v1/btc/${networkPath}/addrs/${address}/full?${query.toString()}`;
    },
    utxo: function (transactionHash: string, index: number): string {
      return `https://api.blockcypher.com/v1/btc/${networkPath}/txs/${transactionHash}/${index}`;
    },
    fees: function (): string {
      return "https://api.blockcypher.com/v1/btc/" + networkPath;
    },
    broadcastTransaction: function (): string {
      return `https://api.blockcypher.com/v1/btc/${networkPath}/txs/push`;
    },
  };
};

const getNetworkPath = (network: Network) => {
  if (network === "MAIN") return "main";

  if (network === "TEST") return "test3";

  return "test3";
};