message: Switch batch-submitter package to compile with 0.7 as contracts are legacy
diff: @@ -19,7 +19,7 @@ const config: HardhatUserConfig = {
  timeout: 50000,
  },
  solidity: {
  - version: '0.8.7',
  + version: '0.7.0',
  settings: {
  optimizer: {
  enabled: true,
  