@xspswap/smart-order-router
Version:
XSwap Protocol V3 Smart Order Router
32 lines • 2.18 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.OnChainGasPriceProvider = void 0;
const gas_price_provider_1 = require("./gas-price-provider");
const DEFAULT_EIP_1559_SUPPORTED_CHAINS = [
// ChainId.XDC,
//TODO: add XDC
];
/**
* Gets gas prices on chain. If the chain supports EIP-1559 and has the feeHistory API,
* uses the EIP1559 provider. Otherwise it will use a legacy provider that uses eth_gasPrice
*
* @export
* @class OnChainGasPriceProvider
*/
class OnChainGasPriceProvider extends gas_price_provider_1.IGasPriceProvider {
constructor(chainId, eip1559GasPriceProvider, legacyGasPriceProvider, eipChains = DEFAULT_EIP_1559_SUPPORTED_CHAINS) {
super();
this.chainId = chainId;
this.eip1559GasPriceProvider = eip1559GasPriceProvider;
this.legacyGasPriceProvider = legacyGasPriceProvider;
this.eipChains = eipChains;
}
async getGasPrice() {
if (this.eipChains.includes(this.chainId)) {
return this.eip1559GasPriceProvider.getGasPrice();
}
return this.legacyGasPriceProvider.getGasPrice();
}
}
exports.OnChainGasPriceProvider = OnChainGasPriceProvider;
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