24 lines
910 B
Go
24 lines
910 B
Go
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package contract
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import (
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"github.com/nspcc-dev/neo-go/pkg/interop"
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"github.com/nspcc-dev/neo-go/pkg/interop/contract"
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"github.com/nspcc-dev/neo-go/pkg/interop/native/management"
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)
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// CallWithVersion is a utility function that executes the previously deployed
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// blockchain contract with the specified version (update counter) and hash
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// (20 bytes in BE form) using the provided arguments and call flags. It fails
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// if the contract has version mismatch. It returns whatever this contract
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// returns. This function uses `System.Contract.Call` syscall.
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func CallWithVersion(scriptHash interop.Hash160, version int, method string, f contract.CallFlag, args ...interface{}) interface{} {
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cs := management.GetContract(scriptHash)
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if cs == nil {
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panic("unknown contract")
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}
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if cs.UpdateCounter != version {
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panic("contract version mismatch")
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}
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return contract.Call(scriptHash, method, f, args...)
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}
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