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fix: #35 [Bug] / 价差策略按比例买入，购买的价值小于1usdc时，会下单失败

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This commit is contained in:
WrBug
2026-03-10 12:18:03 +08:00
parent 915d4570df
commit d8a75fc8dd
1 changed files with 44 additions and 29 deletions
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backend/src/main/kotlin/com/wrbug/polymarketbot/service/cryptotail/CryptoTailStrategyExecutionService.kt
+44 -29
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@@ -43,6 +43,9 @@ private const val SPREAD_MAX_PRICE_ADJUSTMENT = "0.02"
/** 数量小数位数，与 OrderSigningService 的 roundConfig.size 一致 */
private const val SIZE_DECIMAL_SCALE = 2
/** 单笔下单最小 USDC 金额（平台限制），RATIO 模式计算值低于此值时按此值下单 */
private val MIN_ORDER_USDC = BigDecimal("1")
/**
* 周期内预置上下文：账户、解密凭证、费率、签名类型、CLOB 客户端；不含预签订单。
* 触发时 FIXED/RATIO 均按 outcomeIndex 计算 size 并签名提交。
@@ -151,7 +154,7 @@ class CryptoTailStrategyExecutionService(
}
val signatureType = orderSigningService.getSignatureTypeForWalletType(account.walletType)
if (strategy.amountMode.uppercase() != "RATIO" && strategy.amountValue < BigDecimal("1")) return null
if (strategy.amountMode.uppercase() != "RATIO" && strategy.amountValue < MIN_ORDER_USDC) return null
val ctx = PeriodContext(
strategy = strategy,
@@ -334,29 +337,36 @@ class CryptoTailStrategyExecutionService(
val ctx = getOrInvalidatePeriodContext(strategy, periodStartUnix)
if (ctx != null) {
val amountUsdc = when (strategy.amountMode.uppercase()) {
var availableBalanceForRatio = BigDecimal.ZERO
var amountUsdc = when (strategy.amountMode.uppercase()) {
"RATIO" -> {
val balanceResult = accountService.getAccountBalance(ctx.account.id)
val availableBalance =
balanceResult.getOrNull()?.availableBalance?.toSafeBigDecimal() ?: BigDecimal.ZERO
availableBalanceForRatio = availableBalance
availableBalance.multiply(strategy.amountValue).divide(BigDecimal("100"), 18, RoundingMode.DOWN)
}
else -> strategy.amountValue
}
if (amountUsdc < BigDecimal("1")) {
saveTriggerRecord(
strategy,
periodStartUnix,
marketTitle,
outcomeIndex,
triggerPrice,
amountUsdc,
null,
"fail",
"投入金额不足"
)
return
if (amountUsdc < MIN_ORDER_USDC) {
val amountMode = strategy.amountMode.uppercase()
if (amountMode == "RATIO" && availableBalanceForRatio >= MIN_ORDER_USDC) {
amountUsdc = MIN_ORDER_USDC
} else {
saveTriggerRecord(
strategy,
periodStartUnix,
marketTitle,
outcomeIndex,
triggerPrice,
amountUsdc,
null,
"fail",
"投入金额不足"
)
return
}
}
val tokenId = tokenIds.getOrNull(outcomeIndex) ?: run {
@@ -514,23 +524,28 @@ class CryptoTailStrategyExecutionService(
val balanceResult = accountService.getAccountBalance(account.id)
val availableBalance = balanceResult.getOrNull()?.availableBalance?.toSafeBigDecimal() ?: BigDecimal.ZERO
val amountUsdc = when (strategy.amountMode.uppercase()) {
var amountUsdc = when (strategy.amountMode.uppercase()) {
"RATIO" -> availableBalance.multiply(strategy.amountValue).divide(BigDecimal("100"), 18, RoundingMode.DOWN)
else -> strategy.amountValue
}
if (amountUsdc < BigDecimal("1")) {
saveTriggerRecord(
strategy,
periodStartUnix,
marketTitle,
outcomeIndex,
triggerPrice,
amountUsdc,
null,
"fail",
"投入金额不足"
)
return
if (amountUsdc < MIN_ORDER_USDC) {
val amountMode = strategy.amountMode.uppercase()
if (amountMode == "RATIO" && availableBalance >= MIN_ORDER_USDC) {
amountUsdc = MIN_ORDER_USDC
} else {
saveTriggerRecord(
strategy,
periodStartUnix,
marketTitle,
outcomeIndex,
triggerPrice,
amountUsdc,
null,
"fail",
"投入金额不足"
)
return
}
}
val tokenId = tokenIds.getOrNull(outcomeIndex) ?: run {