todo(Kirill): try to replace core.Transaction with rpc.Transaction type.

nolint:lll.

nolint:lll.

These errors can be only be returned by Juno-specific methods.

https://github.com/starkware-libs/starknet-specs/blob/a789ccc3432c57777beceaa53a34a7ae2f25fda0/api/starknet_api_openrpc.json#L520-L534.

https://github.com/starkware-libs/starknet-specs/blob/a789ccc3432c57777beceaa53a34a7ae2f25fda0/api/starknet_api_openrpc.json#L1072.

https://github.com/starkware-libs/starknet-specs/blob/a789ccc3432c57777beceaa53a34a7ae2f25fda0/api/starknet_api_openrpc.json#L814.

https://github.com/starkware-libs/starknet-specs/blob/a789ccc3432c57777beceaa53a34a7ae2f25fda0/api/starknet_api_openrpc.json#L1109.

https://github.com/starkware-libs/starknet-specs/blob/a789ccc3432c57777beceaa53a34a7ae2f25fda0/api/starknet_api_openrpc.json#L1131.

https://github.com/starkware-libs/starknet-specs/blob/a789ccc3432c57777beceaa53a34a7ae2f25fda0/api/starknet_api_openrpc.json#L1273-L1287.

https://github.com/starkware-libs/starknet-specs/blob/e0b76ed0d8d8eba405e182371f9edac8b2bcbc5a/api/starknet_api_openrpc.json#L268-L280.

https://github.com/starkware-libs/starknet-specs/blob/v0.3.0/api/starknet_api_openrpc.json#L2344.

https://github.com/starkware-libs/starknet-specs/blob/8016dd08ed7cd220168db16f24c8a6827ab88317/api/starknet_api_openrpc.json#L909.

https://github.com/starkware-libs/starknet-specs/blob/a789ccc3432c57777beceaa53a34a7ae2f25fda0/api/starknet_api_openrpc.json#L852.

https://github.com/starkware-libs/starknet-specs/blob/a789ccc3432c57777beceaa53a34a7ae2f25fda0/api/starknet_api_openrpc.json#L1252 nolint:lll.

https://github.com/starkware-libs/starknet-specs/blob/master/api/starknet_api_openrpc.json#L1871.

go:generate mockgen -destination=../mocks/mock_gateway_handler.go -package=mocks github.com/NethermindEth/juno/rpc Gateway.

https://github.com/starkware-libs/starknet-specs/blob/fbf8710c2d2dcdb70a95776f257d080392ad0816/api/starknet_api_openrpc.json#L2353-L2363.