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trader bond creation

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This commit is contained in:
f321x
2024-06-07 12:31:18 +02:00
parent d0e1c23773
commit 882c5f043a
2 changed files with 26 additions and 18 deletions
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2
taptrade-cli-demo/trader/src/communication/api.rs
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@ -2,7 +2,7 @@ use serde::{Deserialize, Serialize};
#[derive(Debug, Deserialize)]
pub struct OfferCreationResponse {
pub locking_address: String,
pub bond_address: String,
pub locking_amount: u64, // validate
}

42
taptrade-cli-demo/trader/src/wallet/bond.rs
View File

@ -1,6 +1,11 @@
use anyhow::Result;
use bdk::{database::MemoryDatabase, wallet::coin_selection::BranchAndBoundCoinSelection, Wallet};
use anyhow::{Result, anyhow};
use bdk::bitcoin::psbt::PartiallySignedTransaction;
use bdk::bitcoin::ScriptBuf;
use bdk::{database::MemoryDatabase, wallet::coin_selection::BranchAndBoundCoinSelection, Wallet, SignOptions, FeeRate};
use serde::de::value;
use std::str::FromStr;
use bdk::bitcoin::{Address, Network};
use bdk::bitcoin::address::{NetworkUnchecked, NetworkChecked};
use crate::communication::api::OfferCreationResponse;
use crate::wallet::TraderSettings;
@ -18,25 +23,28 @@ pub struct Bond {
impl Bond {
pub fn assemble(wallet: &Wallet<MemoryDatabase>,
bond_target: &OfferCreationResponse,
trader_input: &TraderSettings) -> Result<Bond> {
// let send_to = wallet.get_address(New)?;
let (psbt, details) = {
trader_input: &TraderSettings) -> Result<PartiallySignedTransaction> {
// parse bond locking address as Address struct and verify network is testnet
let address: Address = Address::from_str(&bond_target.bond_address)?
.require_network(Network::Testnet)?;
// build bond locking transaction. Use coin selection to add at least enough outputs
// to have the full trading sum as change as evidence for the coordinator that the maker owns
// enough funds to cover the trade
let (mut psbt, details) = {
let mut builder = wallet.build_tx();
builder
.coin_selection(BranchAndBoundCoinSelection::new(trader_input.trade_type.value()))
.add_recipient(bond_target.locking_address, bond_target.locking_amount)
.enable_rbf()
.add_recipient(address.script_pubkey(), bond_target.locking_amount)
.do_not_spend_change()
.fee_rate(FeeRate::from_sat_per_vb(5.0));
// coin_select
// manually_selected_only
// add_unspendable
// do_not_spend_change
// builder.finish()?
};
Ok(_)
.fee_rate(FeeRate::from_sat_per_vb(201.0));
builder.finish()?
};
let finalized = wallet.sign(&mut psbt, SignOptions::default())?;
if !finalized {
return Err(anyhow!("Transaction could not be finalized"));
};
Ok(psbt)
}
}