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rpc/client: get policy contract hash in Init()

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Drop hardcoded value.
This commit is contained in:
Roman Khimov 2020-12-13 19:08:47 +03:00
parent ab12eee346
commit 9a78f1da19
3 changed files with 46 additions and 5 deletions
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5
pkg/rpc/client/client.go
View file

@ -127,6 +127,11 @@ func (c *Client) Init() error {
return fmt.Errorf("failed to get GAS contract scripthash: %w", err)
}
c.cache.nativeHashes["gas"] = gasContractHash.Hash
policyContractHash, err := c.GetContractStateByAddressOrName("policy")
if err != nil {
return fmt.Errorf("failed to get Policy contract scripthash: %w", err)
}
c.cache.nativeHashes["policy"] = policyContractHash.Hash
c.initDone = true
return nil
}

13
pkg/rpc/client/policy.go
View file

@ -8,9 +8,6 @@ import (
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
)
// PolicyContractHash represents a hash of native Policy contract.
var PolicyContractHash, _ = util.Uint160DecodeStringBE("e9ff4ca7cc252e1dfddb26315869cd79505906ce")
// GetMaxTransactionsPerBlock invokes `getMaxTransactionsPerBlock` method on a
// native Policy contract.
func (c *Client) GetMaxTransactionsPerBlock() (int64, error) {
@ -28,7 +25,10 @@ func (c *Client) GetFeePerByte() (int64, error) {
}
func (c *Client) invokeNativePolicyMethod(operation string) (int64, error) {
result, err := c.InvokeFunction(PolicyContractHash, operation, []smartcontract.Parameter{}, nil)
if !c.initDone {
return 0, errNetworkNotInitialized
}
result, err := c.InvokeFunction(c.cache.nativeHashes["policy"], operation, []smartcontract.Parameter{}, nil)
if err != nil {
return 0, err
}
@ -42,7 +42,10 @@ func (c *Client) invokeNativePolicyMethod(operation string) (int64, error) {
// IsBlocked invokes `isBlocked` method on native Policy contract.
func (c *Client) IsBlocked(hash util.Uint160) (bool, error) {
result, err := c.InvokeFunction(PolicyContractHash, "isBlocked", []smartcontract.Parameter{{
if !c.initDone {
return false, errNetworkNotInitialized
}
result, err := c.InvokeFunction(c.cache.nativeHashes["policy"], "isBlocked", []smartcontract.Parameter{{
Type: smartcontract.Hash160Type,
Value: hash,
}}, nil)

33
pkg/rpc/client/rpc_test.go
View file

@ -1467,6 +1467,8 @@ func wrapInitResponse(r *request.In, resp string) string {
response = `{"id":1,"jsonrpc":"2.0","result":{"id":-1,"script":"DANORU9Ba2d4Cw==","manifest":{"name":"NEO","abi":{"hash":"0xde5f57d430d3dece511cf975a8d37848cb9e0525","methods":[{"name":"name","offset":0,"parameters":null,"returntype":"String"},{"name":"symbol","offset":0,"parameters":null,"returntype":"String"},{"name":"decimals","offset":0,"parameters":null,"returntype":"Integer"},{"name":"totalSupply","offset":0,"parameters":null,"returntype":"Integer"},{"name":"balanceOf","offset":0,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Integer"},{"name":"transfer","offset":0,"parameters":[{"name":"from","type":"Hash160"},{"name":"to","type":"Hash160"},{"name":"amount","type":"Integer"}],"returntype":"Boolean"},{"name":"onPersist","offset":0,"parameters":null,"returntype":"Void"},{"name":"postPersist","offset":0,"parameters":null,"returntype":"Void"},{"name":"unclaimedGas","offset":0,"parameters":[{"name":"account","type":"Hash160"},{"name":"end","type":"Integer"}],"returntype":"Integer"},{"name":"registerCandidate","offset":0,"parameters":[{"name":"pubkey","type":"PublicKey"}],"returntype":"Boolean"},{"name":"unregisterCandidate","offset":0,"parameters":[{"name":"pubkey","type":"PublicKey"}],"returntype":"Boolean"},{"name":"vote","offset":0,"parameters":[{"name":"account","type":"Hash160"},{"name":"pubkey","type":"PublicKey"}],"returntype":"Boolean"},{"name":"getCandidates","offset":0,"parameters":null,"returntype":"Array"},{"name":"getСommittee","offset":0,"parameters":null,"returntype":"Array"},{"name":"getNextBlockValidators","offset":0,"parameters":null,"returntype":"Array"},{"name":"getGasPerBlock","offset":0,"parameters":null,"returntype":"Integer"},{"name":"setGasPerBlock","offset":0,"parameters":[{"name":"gasPerBlock","type":"Integer"}],"returntype":"Boolean"}],"events":[{"name":"Transfer","parameters":null}]},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":["NEP-5"],"trusts":[],"safemethods":["name","symbol","decimals","totalSupply","balanceOf","unclaimedGas","getCandidates","getСommittee","getNextBlockValidators"],"extra":null},"hash":"0xde5f57d430d3dece511cf975a8d37848cb9e0525"}}`
case "gas":
response = `{"id":1,"jsonrpc":"2.0","result":{"id":-2,"script":"DANHQVNBa2d4Cw==","manifest":{"name":"GAS","abi":{"hash":"0x668e0c1f9d7b70a99dd9e06eadd4c784d641afbc","methods":[{"name":"name","offset":0,"parameters":null,"returntype":"String"},{"name":"symbol","offset":0,"parameters":null,"returntype":"String"},{"name":"decimals","offset":0,"parameters":null,"returntype":"Integer"},{"name":"totalSupply","offset":0,"parameters":null,"returntype":"Integer"},{"name":"balanceOf","offset":0,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Integer"},{"name":"transfer","offset":0,"parameters":[{"name":"from","type":"Hash160"},{"name":"to","type":"Hash160"},{"name":"amount","type":"Integer"}],"returntype":"Boolean"},{"name":"onPersist","offset":0,"parameters":null,"returntype":"Void"},{"name":"postPersist","offset":0,"parameters":null,"returntype":"Void"}],"events":[{"name":"Transfer","parameters":null}]},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":["NEP-5"],"trusts":[],"safemethods":["name","symbol","decimals","totalSupply","balanceOf"],"extra":null},"hash":"0x668e0c1f9d7b70a99dd9e06eadd4c784d641afbc"}}`
case "policy":
response = `{"id":1,"jsonrpc":"2.0","result":{"id":-3,"updatecounter":0,"hash":"0xac593e6183643940a9193f87c64ccf55ef19c529","script":"DAZQb2xpY3lBGvd7Zw==","manifest":{"name":"Policy","abi":{"methods":[{"name":"getMaxTransactionsPerBlock","offset":0,"parameters":null,"returntype":"Integer"},{"name":"getMaxBlockSize","offset":0,"parameters":null,"returntype":"Integer"},{"name":"getFeePerByte","offset":0,"parameters":null,"returntype":"Integer"},{"name":"isBlocked","offset":0,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Boolean"},{"name":"getMaxBlockSystemFee","offset":0,"parameters":null,"returntype":"Integer"},{"name":"setMaxBlockSize","offset":0,"parameters":[{"name":"value","type":"Integer"}],"returntype":"Boolean"},{"name":"setMaxTransactionsPerBlock","offset":0,"parameters":[{"name":"value","type":"Integer"}],"returntype":"Boolean"},{"name":"setFeePerByte","offset":0,"parameters":[{"name":"value","type":"Integer"}],"returntype":"Boolean"},{"name":"setMaxBlockSystemFee","offset":0,"parameters":[{"name":"value","type":"Integer"}],"returntype":"Boolean"},{"name":"blockAccount","offset":0,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Boolean"},{"name":"unblockAccount","offset":0,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Boolean"}],"events":[]},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"safemethods":["getMaxTransactionsPerBlock","getMaxBlockSize","getFeePerByte","isBlocked","getMaxBlockSystemFee"],"extra":null}}}`
default:
response = resp
}
@ -1555,3 +1557,34 @@ func TestGetNetwork(t *testing.T) {
require.Equal(t, netmode.UnitTestNet, c.GetNetwork())
})
}
func TestUninitedClient(t *testing.T) {
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
r := request.NewRequest()
err := r.DecodeData(req.Body)
require.NoErrorf(t, err, "Cannot decode request body: %s", req.Body)
// request handler already have `getversion` response wrapper
requestHandler(t, r.In, w, "")
}))
defer srv.Close()
endpoint := srv.URL
opts := Options{}
c, err := New(context.TODO(), endpoint, opts)
require.NoError(t, err)
_, err = c.GetBlockByIndex(0)
require.Error(t, err)
_, err = c.GetBlockByIndexVerbose(0)
require.Error(t, err)
_, err = c.GetBlockHeader(util.Uint256{})
require.Error(t, err)
_, err = c.GetRawTransaction(util.Uint256{})
require.Error(t, err)
_, err = c.GetRawTransactionVerbose(util.Uint256{})
require.Error(t, err)
_, err = c.IsBlocked(util.Uint160{})
require.Error(t, err)
_, err = c.GetFeePerByte()
require.Error(t, err)
}