feat(smgp): implements eth_call exchange rate provider #2454
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jurajpiar
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| @@ -14,7 +15,7 @@ public class MinGasPriceProviderFactory { | |||
| private MinGasPriceProviderFactory() { | |||
| } | |||
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| public static MinGasPriceProvider create(long fixedMinGasPrice, StableMinGasPriceSystemConfig stableMinGasPriceSystemConfig) { | |||
| public static MinGasPriceProvider create(long fixedMinGasPrice, StableMinGasPriceSystemConfig stableMinGasPriceSystemConfig, OnChainMinGasPriceProvider.GetContextCallback getContextCallback) { | |||
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Why not pass the EthModule directly instead of passing this GetContextCallback?
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When you pass a callback, that callback is only ever called once the ethmodule exists, as there are no logical paths to it otherwise. When you pass the output of the getEthModule function you then have a runtime circular dependency ie halting problem, because at the time of instantiation of the miner-related objects ethModule does not exist. And to instantiate ethModule you need to pass those miner-related objects.
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But I agree that this is not very "Java-esque". My JS background shows, and can't think of other non-disruptive way to achieve this.
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suggestion:
Remove this class and call the new OnChainMinGasPriceProvider(fallbackProvider, config.getOnChainConfig(), getContextCallback) on the MinGasPriceProviderFactory::create method, line 38. This is not adding much.
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This is out of scope of this PR.
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| @BeforeEach | ||
| public void beforeEach() { | ||
| ethModule_mock = mock(EthModule.class); |
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suggestion:
You could mock this class directly on the constructor and avoid this repetitive initialization.
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I know. But the whole point of this is to ensure that your stubs and mocks and what not are always clean for each test case.
| ethModule_mock = mock(EthModule.class); | ||
| when(ethModule_mock.chainId()).thenReturn("0x21"); | ||
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| fallback_mock = mock(MinGasPriceProvider.class); |
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suggestion:
You could mock this class directly on the constructor and avoid this repetitive initialization.
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I know. But the whole point of this is to ensure that your stubs and mocks and what not are always clean for each test case.
| when(fallback_mock.getType()).thenReturn(MinGasPriceProviderType.FIXED); | ||
| when(fallback_mock.getMinGasPrice()).thenReturn(fallback_minGasPrice_fake); | ||
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| onChainMinGasPriceSystemConfig_mock = mock(OnChainMinGasPriceSystemConfig.class); |
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suggestion:
You could mock this class directly on the constructor and avoid this repetitive initialization.
There was a problem hiding this comment.
I know. But the whole point of this is to ensure that your stubs and mocks and what not are always clean for each test case.
Vovchyk
merged commit f7a212e
into
feature/include_stable_minGasPrice_provider
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