v1.0.19 ERC20 Merge Key

What's Changed

• T 13857 GitHub SHA as Schema by @dot2dotseurat in #1246
• Create Seaport Tables - Transactions and Transfers by @sohwak in #1240
• ERC20 merge key by @dot2dotseurat in #1248

Full Changelog: v1-0-18...v1-0-19