Moonbase Alphanet V3

Native runtimes:

• Moonbase Alphanet: 3

WASM runtimes built using 1.47.0-nightly and toolchain nightly-2020-07-20-x86_64-unknown-linux-gnu

Changes

• Changes AccountId from 32 bytes to 20 bytes (#78)
• Adds support for ECDSA/Keccak256 signature in Substrate API (#78)
• Changes Ethereum block retrieval from runtime to StorageProvider (#103)
• Fixes decimal incoherence between EVM/Substrate balance (#99)
• Adds PolkadotJs types definition (#104)
• Better error handling in Ethereum transactions (polkadot-evm/frontier#188, polkadot-evm/frontier#174)
• Fixes Ethereum transaction root computation (polkadot-evm/frontier#191, polkadot-evm/frontier#181)
• Fixes missing reverted transactions (polkadot-evm/frontier#184, polkadot-evm/frontier#188)
• Fixes invalid transaction Pubsub (polkadot-evm/frontier#156)
• Adds support for topic wildcards and conditional indexed parameters (polkadot-evm/frontier#182)
• Adds pallet-ethereum-chain-id to provide different ChainId to the networks (#101, see https://github.com/PureStake/moonbeam#chain-ids)
• Fixes Manual Sealing tests (#76)
• Adds dependency/sanity check to the Continuous Integration flow (#73)
• Fixes the Ethereum off by one nonce (#176)