@saberhq/stableswap-sdk
Version:
Solana SDK for Saber's StableSwap program.
34 lines • 1.16 kB
JavaScript
import { u64 } from "@saberhq/token-utils";
const parseUint = (str) => !str || str === "0x0" ? undefined : new u64(str.slice("0x".length), 16);
const parseEventRaw = (type, msg) => {
const parts = msg.slice("Program log: ".length).split(", ");
return Object.entries({
type,
tokenAAmount: parseUint(parts[1]),
tokenBAmount: parseUint(parts[2]),
poolTokenAmount: parseUint(parts[3]),
fee: parseUint(parts[4]),
})
.filter(([, v]) => !!v)
.reduce((acc, [k, v]) => ({ ...acc, [k]: v }), {});
};
/**
* Parses the log message to return the StableSwap info about the transaction.
* @param logMessages
* @returns
*/
export const parseEventLogs = (logMessages) => {
if (!logMessages) {
return [];
}
return logMessages.reduce((acc, logMessage, i) => {
const nextLog = logMessages[i + 1];
return logMessage.startsWith("Program log: Event: ") && nextLog
? [
...acc,
parseEventRaw(logMessage.slice("Program log: Event: ".length), nextLog),
]
: acc;
}, []);
};
//# sourceMappingURL=events.js.map