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fix: debug_traceTrasaction fail with block height mismatch #384

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Aug 5, 2025
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3 changes: 2 additions & 1 deletion x/vm/keeper/grpc_query.go
Original file line number Diff line number Diff line change
Expand Up @@ -454,7 +454,8 @@ func (k Keeper) TraceTx(c context.Context, req *types.QueryTraceTxRequest) (*typ
}

ctx := sdk.UnwrapSDKContext(c)
if requestedHeight > ctx.BlockHeight() {
// the caller sets the `ctx.BlockHeight()` to be `requestedHeight - 1`, so we can get the context of block beginning
if requestedHeight > ctx.BlockHeight()+1 {
return nil, status.Errorf(codes.FailedPrecondition, "requested height [%d] must be less than or equal to current height [%d]", requestedHeight, ctx.BlockHeight())
}
// TODO: ideally, this query should validate that the block hash, predecessor transactions, and main trace tx actually existed in the block requested.
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