Fix Blockfrost OverlappingAdditionalUtxo error in mint transaction build#28
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Fix Blockfrost OverlappingAdditionalUtxo error in mint transaction build#28Copilot wants to merge 2 commits into
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Co-authored-by: SynthLuvr <131367121+SynthLuvr@users.noreply.github.com>
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[WIP] Fix Blockfrost evaluation error in mint.ts
Fix Blockfrost OverlappingAdditionalUtxo error in mint transaction build
Mar 1, 2026
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The mint transaction's
.build()call fails with a Blockfrost evaluation error becausedeployChain.availablecontains both on-chain wallet UTxOs and off-chain chained UTxOs. Passing on-chain UTxOs to Blockfrost as "additional" UTxOs triggersOverlappingAdditionalUtxo.Changes
passAdditionalUtxos: truewith an explicitevaluatorpassed to.build()that filtersadditionalUtxosto exclude any UTxO already present inwallet.utxosbefore callingclient.evaluateTx()Effect,Transactionfrom main SDK;EvaluationErrorfrom@evolution-sdk/evolution/sdk/builders/TransactionBuilderBlockfrost receives only the truly off-chain UTxOs (outputs of the chained setup/deploy transactions), giving it the context needed to evaluate the Plutus script without the overlap conflict.
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