This allows to reuse it across different packages.
testchain can't be used because of circular dependencies.
Init() is not changed except for filepath.Join() use instead of direct string
appends which is a better approach anyway. rootpath is required because
current directory will change from package to package.
Compiler forces notification parameters to match the one specified in
manifest, and manifest of `test_contract.go` tells that `to` parameter
type is hash160:
```
event 'Transfer' should have 'Hash160' as type of 1 parameter, got: ByteArray
```
We need to store NEO balance's LastUpdateHeight before GAS mint,
because mint can call onNEP17Payment and onNEP17Payment can call NEO
transfer which also calls GAS mint. Storing balance height allows to
avoid recursion.
If a method is known at compile time we can still check
if it is present in the list of methods of at least one contract.
Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
In `(c *Client) AddNetworkFee` we define network fee for contract
witness verification via `invokecontractverify` RPC call, and that's the
initial purpose of this RPC method. But it was not implemented
correctly. It used `System.Contract.Call` instead of beheiving like
`initVerificationVM`.
During real contract witness verification the whole contract's script is
loaded into VM, and then we jump to the `verify` method. Thus, to define
exact contract verification price, we should act like this (and not just
perform `System.Contract.Call` of `verify` method).
Tests are added.
This bug is the reason of adding extra GAS (c.notary.extraVerifyFee) to
pre-calculated value in
https://github.com/nspcc-dev/neofs-node/pull/404/files#diff-639db437ca2578db46c9e8cbf18f9aa01f8ca5aee30e0fa7e70ba0354822d7b3R237
1. `System.Contract.CallNative` expects version on stack.
2. Actual method is determined based on current
instruction pointer.
3. Native hashes don't longer depend on NEF checksum.
But don't change the way we process/store transactions and blocks. Effectively
it's just an interface for smart contracts that replaces old syscalls.
Transaction definition is moved temporarily to runtime package and Block
definition is removed (till we solve #1691 properly).
