Use SolanaError instance as CU simulation failure cause#23
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lorisleiva merged 1 commit intomainfrom Jan 23, 2026
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Currently, the JavaScript client uses the
TransactionErroras-is as the cause of theSOLANA_ERROR__TRANSACTION__FAILED_WHEN_SIMULATING_TO_ESTIMATE_COMPUTE_LIMITerror.This is inconsistent with how
@solana/kitthrowsSOLANA_ERROR__JSON_RPC__SERVER_ERROR_SEND_TRANSACTION_PREFLIGHT_FAILUREerrors which first converts theTransactionErrorinto aSolanaErrorinstance. This enables users to use the@solana/errorsAPI when catching errors (e.g. via theisSolanaErrorhelper).This PR fixes this by also converting the
TransactionErrorfrom the simulation into aSolanaErrorbefore using it as thecauseof the parent error.Relates to anza-xyz/kit-plugins#25, anza-xyz/kit-plugins#35 and anza-xyz/kit#1230.