Osmosis MCP Server

"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.calculateFee = exports.GasPrice = void 0; const math_1 = require("@cosmjs/math"); const proto_signing_1 = require("@cosmjs/proto-signing"); /** * Denom checker for the Cosmos SDK 0.42 denom pattern * (https://github.com/cosmos/cosmos-sdk/blob/v0.42.4/types/coin.go#L599-L601). * * This is like a regexp but with helpful error messages. */ function checkDenom(denom) { if (denom.length < 3 || denom.length > 128) { throw new Error("Denom must be between 3 and 128 characters"); } } /** * A gas price, i.e. the price of a single unit of gas. This is typically a fraction of * the smallest fee token unit, such as 0.012utoken. */ class GasPrice { constructor(amount, denom) { this.amount = amount; this.denom = denom; } /** * Parses a gas price formatted as `<amount><denom>`, e.g. `GasPrice.fromString("0.012utoken")`. * * The denom must match the Cosmos SDK 0.42 pattern (https://github.com/cosmos/cosmos-sdk/blob/v0.42.4/types/coin.go#L599-L601). * See `GasPrice` in @cosmjs/stargate for a more generic matcher. * * Separators are not yet supported. */ static fromString(gasPrice) { // Use Decimal.fromUserInput and checkDenom for detailed checks and helpful error messages const matchResult = gasPrice.match(/^([0-9.]+)([a-z][a-z0-9]*)$/i); if (!matchResult) { throw new Error("Invalid gas price string"); } const [_, amount, denom] = matchResult; checkDenom(denom); const fractionalDigits = 18; const decimalAmount = math_1.Decimal.fromUserInput(amount, fractionalDigits); return new GasPrice(decimalAmount, denom); } /** * Returns a string representation of this gas price, e.g. "0.025uatom". * This can be used as an input to `GasPrice.fromString`. */ toString() { return this.amount.toString() + this.denom; } } exports.GasPrice = GasPrice; function calculateFee(gasLimit, gasPrice) { const processedGasPrice = typeof gasPrice === "string" ? GasPrice.fromString(gasPrice) : gasPrice; const { denom, amount: gasPriceAmount } = processedGasPrice; // Note: Amount can exceed the safe integer range (https://github.com/cosmos/cosmjs/issues/1134), // which we handle by converting from Decimal to string without going through number. const amount = gasPriceAmount.multiply(new math_1.Uint53(gasLimit)).ceil().toString(); return { amount: (0, proto_signing_1.coins)(amount, denom), gas: gasLimit.toString(), }; } exports.calculateFee = calculateFee; //# sourceMappingURL=fee.js.map