plasma-contracts-snapshot-reorg-20210527-b3a5c8d5232edfab8617f6939733b08b67863c8a: clone and copy into container (#64)

"Contracts snapshotted with MIN_EXIT_PERIOD for SHA ( b3a5c8d5232edfab8617f6939733b08b67863c8a ): 120. Snapshot located at: https://storage.googleapis.com/circleci-docker-artifacts/data-elixir-omg-tester-plasma-deployer-stable-20210527-MIN_EXIT_PERIOD-120-PLASMA_CONTRACTS_SHA-b3a5c8d5232edfab8617f6939733b08b67863c8a-reorg.tar.gz \r\n Contract addresses: \r\n {\n "authority_address": "0xc0f780dfc35075979b0def588d999225b7ecc56f",\n "eth_vault": "0x4e3aeff70f022a6d4cc5947423887e7152826cf7",\n "erc20_vault": "0x135505d9f4ea773dd977de3b2b108f2dae67b63a",\n "payment_exit_game": "0x89afce326e7da55647d22e24336c6a2816c99f6b",\n "plasma_framework_tx_hash": "0x20d959a50ef002cef761c38ee91a9636fe28e981aefaaee88639c448d0aef13e",\n "plasma_framework": "0xc673e4ffcb8464faff908a6804fe0e635af0ea2f",\n "paymentEip712LibMock": "0xc9d8c49e880fefa92c6492ca17c418805628b01b",\n "merkleWrapper": "0x0d39f15b6432c7e8a028dc5bd8c874f54852265f",\n "erc20Mintable": "0xdd2860dd8f182f90870383a98ddaf63fdb00573e"\n} \n"