Query the current total weight of signatures collected on a transaction — used in multi-sig flows to confirm the permission threshold is met before broadcasting.
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This endpoint validates the complete signature set against the permission selected by the transaction. A duplicate or invalid signature, a signer outside the target permission, or a signature count greater than that permission's key count makes weight calculation fail; those permission checks predate GreatVoyage-v4.8.2. Version 4.8.2 adds the chain-wide signature-count limit and truncates signatures longer than 65 bytes to their first 65 bytes before validation. If the count exceeds the global limit, the response contains only a failure result and no transaction. Check result first, and do not interpret a default weight in a failed response as valid partial weight.
Related resources
- BroadcastTransaction — broadcast once weight reaches the threshold
- GetTransactionSign — node-side signing (test environments only; production should sign client-side)
- Multi-signature — permission model, threshold, operations bitmap
- Transaction signature validation — strict validation rules and common errors