Update the signer API to return Transaction & TransactionWithLifetime#927
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Really nice, thank you so much for this stack! 🍺
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Problem
The
TransactionModifyingSignerwas previously typed to return the exact same typeTas its input transactions. This is incorrect, as we always intended for signers to be able to eg change the lifetime of a transaction. In practice one example ofTransactionModifyingSignerreturns signed transactions from wallet-standard wallets, which can make arbitrary changes to the transaction before signing it.This also meant that such a signer could not return a
TransactionWithLifetime, ie alifetimeConstraintfield. Casts in signer functions would treat the signer as having returned the expected type, but there was no type safety.In practice, this meant
useWalletAccountTransactionSignerand third-partyTransactionModifyingSignerdid not return alifetimeConstraint, but appeared to do so to Typescript. This led to a runtime error when attempting to confirm transactions (#891)Summary of Changes
This PR changes the type of modifying signers to:
input: (Transaction | (Transaction & TransactionWithLifetime))[]
output: (Transaction & TransactionWithLifetime & TransactionWithinSizeLimit)[]
Note that an upstream PR (#919) already made
useWalletAccountTransactionSignersatisfy theTransactionWithLifetimepart of this interface.It also changes the return type of
signModifyingAndPartialTransactionSignerstoTransaction & TransactionWithLifetime & TransactionWithinSizeLimit, and removes the cast to the expected return type that limited type safety in this function.Fixes #891