@ledgerhq/coin-aptos
Version:
Ledger Aptos Coin integration
70 lines • 3.79 kB
JavaScript
import BigNumber from "bignumber.js";
import { AptosAPI } from "../network";
import { getEstimatedGas } from "./getFeesForTransaction";
import { getMaxSendBalance } from "./logic";
import { APTOS_DELEGATION_RESERVE_IN_OCTAS, APTOS_MINIMUM_RESTAKE_IN_OCTAS, MIN_COINS_ON_SHARES_POOL_IN_OCTAS, } from "./../constants";
import { getDelegationOpMaxAmount, getStakingPosition } from "../logic/staking";
const checkSendConditions = (transaction, account) => transaction.mode === "send" && transaction.amount.gt(account.spendableBalance);
const checkStakeConditions = (transaction, account) => {
const txAmount = transaction.useAllAmount ? account.spendableBalance : transaction.amount;
const stakingPosition = account.aptosResources?.stakingPositions
?.find(stakingPosition => stakingPosition.validatorId === transaction.recipient)
?.active.gt(MIN_COINS_ON_SHARES_POOL_IN_OCTAS);
const minimumToStake = stakingPosition
? APTOS_MINIMUM_RESTAKE_IN_OCTAS
: MIN_COINS_ON_SHARES_POOL_IN_OCTAS;
return (transaction.mode === "stake" &&
(txAmount.gt(account.spendableBalance) || txAmount.lt(minimumToStake)));
};
const checkRestakeConditions = (transaction, account) => {
const stakingPosition = getStakingPosition(account, transaction.recipient)?.pendingInactive || 0;
return transaction.mode === "restake" && transaction.amount.gt(stakingPosition);
};
const checkUnstakeConditions = (transaction, account) => {
const stakingPosition = getStakingPosition(account, transaction.recipient)?.active || 0;
return transaction.mode === "unstake" && transaction.amount.gt(stakingPosition);
};
const checkWithdrawConditions = (transaction, account) => {
const stakingPosition = getStakingPosition(account, transaction.recipient)?.inactive || 0;
return transaction.mode === "withdraw" && transaction.amount.gt(stakingPosition);
};
const prepareTransaction = async (account, transaction) => {
if (!transaction.recipient ||
checkSendConditions(transaction, account) ||
checkStakeConditions(transaction, account) ||
checkRestakeConditions(transaction, account) ||
checkUnstakeConditions(transaction, account) ||
checkWithdrawConditions(transaction, account))
return transaction;
// if transaction.useAllAmount is true, then we expect transaction.amount to be 0
// so to check that actual amount is zero or not, we also need to check if useAllAmount is false
if (!transaction.useAllAmount && transaction.amount.isZero()) {
return {
...transaction,
fees: BigNumber(0),
};
}
const aptosClient = new AptosAPI(account.currency.id);
if (transaction.useAllAmount) {
if (transaction.mode === "send") {
transaction.amount = getMaxSendBalance(account, transaction);
}
else if (transaction.mode === "restake" ||
transaction.mode === "unstake" ||
transaction.mode === "withdraw") {
// Reserve a certain amount to cover future network fees to deactivate and withdraw
transaction.amount = getDelegationOpMaxAmount(account, transaction.recipient, transaction.mode);
}
else if (transaction.mode === "stake") {
// Reserve a certain amount to cover future network fees to deactivate and withdraw
transaction.amount = getMaxSendBalance(account, transaction).minus(APTOS_DELEGATION_RESERVE_IN_OCTAS);
}
}
const { fees, estimate, errors } = await getEstimatedGas(account, transaction, aptosClient);
transaction.fees = fees;
transaction.options = estimate;
transaction.errors = errors;
return transaction;
};
export default prepareTransaction;
//# sourceMappingURL=prepareTransaction.js.map