synapsecns / sdk / 2749090382

2749090382

Pull #132

github

GitHub 
Merge 460ad348a into 0f9fbc54d
Pull Request #132: Add support for Avalance WETH_E->DFK_ETH

25 of 38 branches covered (65.79%)

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770 of 3078 new or added lines in 25 files covered. (25.02%)

2826 existing lines in 17 files now uncovered.

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Source File
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91.18
/src/internal/rpcproviders.ts
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import {findKey, fromPairs} from "lodash-es";
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import type {Provider} from "@ethersproject/providers";




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import {ChainId, supportedChainIds} from "@chainid";




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import type {StringMap} from "@common/types";




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import {RpcConnector} from "./rpcconnector";




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const RPC_URI_SUFFIX: string = "RPC_URI";




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const makeRpcUriEnvKey = (chainId: number): string => {





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    const key: string = findKey(ChainId, (o) => o === chainId);





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    return `${key}_${RPC_URI_SUFFIX}`




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}




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const ENV_KEY_MAP: StringMap = {




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    [ChainId.ETH]:       makeRpcUriEnvKey(ChainId.ETH),




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    [ChainId.OPTIMISM]:  makeRpcUriEnvKey(ChainId.OPTIMISM),




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    [ChainId.CRONOS]:    makeRpcUriEnvKey(ChainId.CRONOS),




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    [ChainId.BSC]:       makeRpcUriEnvKey(ChainId.BSC),




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    [ChainId.POLYGON]:   makeRpcUriEnvKey(ChainId.POLYGON),




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    [ChainId.FANTOM]:    makeRpcUriEnvKey(ChainId.FANTOM),




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    [ChainId.BOBA]:      makeRpcUriEnvKey(ChainId.BOBA),




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    [ChainId.METIS]:     makeRpcUriEnvKey(ChainId.METIS),




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    [ChainId.MOONBEAM]:  makeRpcUriEnvKey(ChainId.MOONBEAM),




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    [ChainId.MOONRIVER]: makeRpcUriEnvKey(ChainId.MOONRIVER),




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    [ChainId.ARBITRUM]:  makeRpcUriEnvKey(ChainId.ARBITRUM),




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    [ChainId.AVALANCHE]: makeRpcUriEnvKey(ChainId.AVALANCHE),




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    [ChainId.DFK]:       makeRpcUriEnvKey(ChainId.DFK),




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    [ChainId.AURORA]:    makeRpcUriEnvKey(ChainId.AURORA),




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    [ChainId.HARMONY]:   makeRpcUriEnvKey(ChainId.HARMONY),




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    [ChainId.KLAYTN]:    makeRpcUriEnvKey(ChainId.KLAYTN),




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}




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const CHAIN_RPC_URIS: StringMap = {




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    [ChainId.ETH]:       "https://mainnet.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161",




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    [ChainId.OPTIMISM]:  "https://mainnet.optimism.io",




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    [ChainId.CRONOS]:    "https://evm-cronos.crypto.org",




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    [ChainId.BSC]:       "https://bsc-dataseed.binance.org/",




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    [ChainId.POLYGON]:   "https://polygon-rpc.com/",




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    [ChainId.FANTOM]:    "https://rpc.ftm.tools/",




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    [ChainId.BOBA]:      "https://replica-oolong.boba.network/",




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    [ChainId.METIS]:     "https://andromeda.metis.io/?owner=1088",




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    [ChainId.MOONBEAM]:  "https://rpc.api.moonbeam.network",




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    [ChainId.MOONRIVER]: "https://rpc.api.moonriver.moonbeam.network",




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    [ChainId.ARBITRUM]:  "https://arb1.arbitrum.io/rpc",




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    [ChainId.AVALANCHE]: "https://api.avax.network/ext/bc/C/rpc",




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    [ChainId.DFK]:       "https://subnets.avax.network/defi-kingdoms/dfk-chain/rpc",




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    [ChainId.AURORA]:    "https://mainnet.aurora.dev",




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    [ChainId.HARMONY]:   "https://api.harmony.one/",




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    [ChainId.KLAYTN]:    "https://cypress.chain.thebifrost.io/",




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}




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const CHAINID_URI_MAP: StringMap = fromPairs(supportedChainIds().map(cid => [cid, getChainRpcUri(cid)]));





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const RPC_BATCH_INTERVAL = Number(process.env["RPC_BATCH_INTERVAL"]) || 60;




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const RPC_CONNECTOR = new RpcConnector({




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    urls:          CHAINID_URI_MAP,




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    batchInterval: RPC_BATCH_INTERVAL




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});




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export function getChainRpcUri(chainId: number): string {





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    const




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        rpcEnvKey: string           = ENV_KEY_MAP[chainId],




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        rpcEnvVal: string|undefined = rpcEnvKey in process.env ? process.env[rpcEnvKey] : undefined;





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    return rpcEnvVal ?? CHAIN_RPC_URIS[chainId]





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}




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/**




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 * @param chainId chain id of the network for which to return a provider




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 */




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export function rpcProviderForChain(chainId: number): Provider {




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    return RPC_CONNECTOR.provider(chainId)




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}




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export interface RPCEndpointsConfig {




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    [chainId: number]: {




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        endpoint:       string;




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        batchInterval?: number;




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    }




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}




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export function configureRPCEndpoints(config: RPCEndpointsConfig) {




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    for (const chainId of supportedChainIds()) {




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        if (config[chainId]) {




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            let {endpoint, batchInterval} = config[chainId];




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            RPC_CONNECTOR.setProviderConfig(chainId, endpoint, batchInterval);




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        }




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    }




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}



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