SFT-3711: Implement new fee calculation.

Author: jeandudey

extmod/foundation-rust/Cargo.lock

@@ -300,23 +300,31 @@ typedef enum {
   VALIDATION_RESULT_INVALID_REDEEM_SCRIPT,
   VALIDATION_RESULT_UNSUPPORTED_SIGHASH,
   VALIDATION_RESULT_TXID_MISMATCH,
+  VALIDATION_RESULT_MISSING_OUTPUT_POINT,
   VALIDATION_RESULT_MISSING_PREVIOUS_TXID,
   VALIDATION_RESULT_MISSING_REDEEM_WITNESS_SCRIPT,
   VALIDATION_RESULT_TAPROOT_OUTPUT_INVALID_PUBLIC_KEY,
+  VALIDATION_RESULT_TOO_MANY_INPUTS,
   VALIDATION_RESULT_TOO_MANY_OUTPUTS,
   VALIDATION_RESULT_TOO_MANY_OUTPUT_KEYS,
   VALIDATION_RESULT_MULTIPLE_KEYS_NOT_EXPECTED,
   VALIDATION_RESULT_FRAUDULENT_OUTPUT_PUBLIC_KEY,
   VALIDATION_RESULT_MISSING_OUTPUT,
   VALIDATION_RESULT_UNKNOWN_OUTPUT_SCRIPT,
+  VALIDATION_RESULT_FRAUDULENT_WITNESS_UTXO,
 } ValidationResult_Tag;
 
 typedef struct {
   int64_t total_with_change;
   int64_t total_change;
   bool is_self_send;
+  int64_t fee;
 } ValidationResult_Ok_Body;
 
+typedef struct {
+  uint64_t index;
+} ValidationResult_MissingOutputPoint_Body;
+
 typedef struct {
   uint64_t index;
 } ValidationResult_MissingRedeemWitnessScript_Body;
@@ -345,17 +353,23 @@ typedef struct {
   uint64_t index;
 } ValidationResult_UnknownOutputScript_Body;
 
+typedef struct {
+  uint64_t index;
+} ValidationResult_FraudulentWitnessUtxo_Body;
+
 typedef struct {
   ValidationResult_Tag tag;
   union {
     ValidationResult_Ok_Body OK;
+    ValidationResult_MissingOutputPoint_Body MISSING_OUTPUT_POINT;
     ValidationResult_MissingRedeemWitnessScript_Body MISSING_REDEEM_WITNESS_SCRIPT;
     ValidationResult_TaprootOutputInvalidPublicKey_Body TAPROOT_OUTPUT_INVALID_PUBLIC_KEY;
     ValidationResult_TooManyOutputKeys_Body TOO_MANY_OUTPUT_KEYS;
     ValidationResult_MultipleKeysNotExpected_Body MULTIPLE_KEYS_NOT_EXPECTED;
     ValidationResult_FraudulentOutputPublicKey_Body FRAUDULENT_OUTPUT_PUBLIC_KEY;
     ValidationResult_MissingOutput_Body MISSING_OUTPUT;
     ValidationResult_UnknownOutputScript_Body UNKNOWN_OUTPUT_SCRIPT;
+    ValidationResult_FraudulentWitnessUtxo_Body FRAUDULENT_WITNESS_UTXO;
   };
 } ValidationResult;
 

extmod/foundation-rust/include/foundation.h

@@ -62,6 +62,6 @@ static LOGGER: Logger = Logger;
 #[export_name = "foundation_init_logger"]
 pub unsafe extern "C" fn init_logger() {
     log::set_logger_racy(&LOGGER)
-        .map(|()| log::set_max_level(log::LevelFilter::Trace))
+        .map(|()| log::set_max_level(log::LevelFilter::Debug))
         .expect("Failed to initialize logger")
 }

extmod/foundation-rust/src/lib.rs

@@ -45,6 +45,7 @@ pub enum ValidationResult {
         total_with_change: i64,
         total_change: i64,
         is_self_send: bool,
+        fee: i64,
     },
     /// Internal error of the validation function.
     InternalError,
@@ -56,13 +57,17 @@ pub enum ValidationResult {
     InvalidRedeemScript,
     UnsupportedSighash,
     TxidMismatch,
+    MissingOutputPoint {
+        index: u64,
+    },
     MissingPreviousTxid,
     MissingRedeemWitnessScript {
         index: u64,
     },
     TaprootOutputInvalidPublicKey {
         index: u64,
     },
+    TooManyInputs,
     TooManyOutputs,
     TooManyOutputKeys {
         index: u64,
@@ -79,6 +84,9 @@ pub enum ValidationResult {
     UnknownOutputScript {
         index: u64,
     },
+    FraudulentWitnessUtxo {
+        index: u64,
+    },
 }
 
 impl From<ValidationError> for ValidationResult {
@@ -89,13 +97,17 @@ impl From<ValidationError> for ValidationResult {
             ValidationError::InvalidRedeemScript => Self::InvalidRedeemScript,
             ValidationError::UnsupportedSighash => Self::UnsupportedSighash,
             ValidationError::TxidMismatch => Self::TxidMismatch,
+            ValidationError::MissingOutputPoint { index } => {
+                Self::MissingOutputPoint { index }
+            }
             ValidationError::MissingPreviousTxid => Self::MissingPreviousTxid,
             ValidationError::MissingRedeemWitnessScript { index } => {
                 Self::MissingRedeemWitnessScript { index }
             }
             ValidationError::TaprootOutputInvalidPublicKey { index } => {
                 Self::TaprootOutputInvalidPublicKey { index }
             }
+            ValidationError::TooManyInputs => Self::TooManyInputs,
             ValidationError::TooManyOutputs => Self::TooManyOutputs,
             ValidationError::TooManyOutputKeys { index } => {
                 Self::TooManyOutputKeys { index }
@@ -112,6 +124,9 @@ impl From<ValidationError> for ValidationResult {
             ValidationError::UnknownOutputScript { index } => {
                 Self::UnknownOutputScript { index }
             }
+            ValidationError::FraudulentWitnessUtxo { index } => {
+                Self::FraudulentWitnessUtxo { index }
+            }
         }
     }
 }
@@ -221,6 +236,7 @@ pub extern "C" fn validate(
                 total_with_change: details.total_with_change,
                 total_change: details.total_change,
                 is_self_send: details.is_self_send(),
+                fee: details.fee(),
             };
             true
         }