`@0x/contracts-erc20-bridge-sampler`: Refactor. `@0x/contracts-erc20-bridge-sampler`: Add support for more varied curves. `@0x/contracts-integrations`: Update curve bridge tests.
`@0x/contracts-erc20-bridge-sampler`: Refactor. `@0x/contracts-erc20-bridge-sampler`: Add support for more varied curves. `@0x/contracts-integrations`: Update curve bridge tests.