IsStandardTx

Check for standard transaction types

Synopsis

Declared in <policy/policy.h>

bool
IsStandardTx(
    CTransaction const& tx,
    std::optional<unsigned int> const& max_datacarrier_bytes,
    bool permit_bare_multisig,
    CFeeRate const& dust_relay_fee,
    std::string& reason);

Return Value

True if all outputs (scriptPubKeys) use only standard transaction forms

Parameters

Name

Description

Transaction to check.

max_datacarrier_bytes

Maximum allowed size of OP_RETURN data, if any.

permit_bare_multisig

Whether bare multisig outputs are treated as standard.

dust_relay_fee

Fee rate used to define dust.

reason

Set to a description of the first non‐standard feature found.

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