From 536962702a5e61c8282e7328f50d59d6f6921d69 Mon Sep 17 00:00:00 2001
From: Micah Kendall <micahk.accounts@icloud.com>
Date: Sun, 8 Sep 2024 15:28:06 +1000
Subject: [PATCH] patch: recursively reevaluate

---
 .changeset/bright-pillows-melt.md |  5 +++++
 packages/blaze-tx/src/tx.ts       | 10 +++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/bright-pillows-melt.md

diff --git a/.changeset/bright-pillows-melt.md b/.changeset/bright-pillows-melt.md
new file mode 100644
index 00000000..8078e61c
--- /dev/null
+++ b/.changeset/bright-pillows-melt.md
@@ -0,0 +1,5 @@
+---
+"@blaze-cardano/tx": patch
+---
+
+patch: evaluate recursively
diff --git a/packages/blaze-tx/src/tx.ts b/packages/blaze-tx/src/tx.ts
index 2e9c566e..dba145c4 100644
--- a/packages/blaze-tx/src/tx.ts
+++ b/packages/blaze-tx/src/tx.ts
@@ -1440,10 +1440,10 @@ export class TxBuilder {
       new Value(-(bigintMax(this.fee, this.minimumFee) + this.feePadding)),
     );
     this.balanceChange(excessValue);
+    let evaluationFee: bigint = 0n;
     if (this.redeemers.size() > 0) {
       this.prepareCollateral();
       tw = this.buildTransactionWitnessSet();
-      let evaluationFee: bigint = 0n;
       try {
         evaluationFee = await this.evaluate(draft_tx);
       } catch (e) {
@@ -1479,6 +1479,7 @@ export class TxBuilder {
     }
     let final_size = draft_tx.toCbor().length / 2;
     do {
+      const oldEvaluationFee = evaluationFee;
       this.fee += BigInt(
         Math.ceil((final_size - draft_size) * this.params.minFeeCoefficient),
       );
@@ -1504,6 +1505,13 @@ export class TxBuilder {
         for (const input of selectionResult.selectedInputs) {
           this.addInput(input);
         }
+        draft_tx.setBody(this.body);
+        if (evaluationFee > 0) {
+          evaluationFee = await this.evaluate(draft_tx);
+          if (evaluationFee > oldEvaluationFee) {
+            continue;
+          }
+        }
       }
       if (this.body.collateral()) {
         this.balanceCollateralChange();