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import { fns } from "./bindings.ts";
import { C_SEPARATOR, CString, maybeMultipleStrings, readCString } from "./utils.ts";
export type PendingTransactionPtr = Deno.PointerObject<"pendingTransaction">;
export class PendingTransaction<MultDest extends boolean = false> {
#ptr: PendingTransactionPtr;
#amount!: bigint;
#dust!: bigint;
#fee!: bigint;
#txid!: string | string[] | null;
#txCount!: bigint;
constructor(ptr: PendingTransactionPtr) {
this.#ptr = ptr;
}
static async new(ptr: PendingTransactionPtr): Promise<PendingTransaction> {
const instance = new PendingTransaction(ptr);
const [amount, dust, fee, txCount, txid] = await Promise.all([
fns.PendingTransaction_amount(ptr),
fns.PendingTransaction_dust(ptr),
fns.PendingTransaction_fee(ptr),
fns.PendingTransaction_txCount(ptr),
fns.PendingTransaction_txid(ptr, C_SEPARATOR),
]);
instance.#amount = amount;
instance.#dust = dust;
instance.#fee = fee;
instance.#txCount = txCount;
instance.#txid = maybeMultipleStrings(await readCString(txid));
return instance;
}
get amount(): bigint {
return this.#amount;
}
get dust(): bigint {
return this.#dust;
}
get fee(): bigint {
return this.#fee;
}
get txCount(): bigint {
return this.#txCount;
}
async commit(fileName: string, overwrite: boolean): Promise<boolean> {
return await fns.PendingTransaction_commit(this.#ptr, CString(fileName), overwrite);
}
async commitUR(maxFragmentLength: number): Promise<string | null> {
const commitUR = fns.PendingTransaction_commitUR;
if (!commitUR) return null;
return await readCString(
await commitUR(this.#ptr, maxFragmentLength),
);
}
async status(): Promise<number> {
return await fns.PendingTransaction_status(this.#ptr);
}
async errorString(): Promise<string | null> {
if (!await this.status()) return null;
const error = await fns.PendingTransaction_errorString(this.#ptr);
return await readCString(error);
}
async throwIfError(): Promise<void> {
const maybeError = await this.errorString();
if (maybeError) {
throw new Error(maybeError);
}
}
}
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