Integrations
Here is a list of the Builders currently integrated.
Users can specify which Builders to send their bundles via the mevBuilders array field:
| Builders (value) |
|---|
flashbots |
beaverbuild |
rsync |
builder0x69 |
titan |
buildai |
loki |
lightspeed |
bobthebuilder |
all to explicitly set all the above values |
note
If you are a Builder interested in integrating with Echo, contact us on Discord or email us at admin@chainbound.io.
Builders Features
Here is a list of the builders currently supported, and the features that each one supports:
| feature | flashbots | beaverbuild | rsync | builder0x69 | titan | buildai | loki | lightspeed | bobthebuilder |
|---|---|---|---|---|---|---|---|---|---|
eth_sendBundle | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
eth_cancelBundle | ✓ | ✗ | ✓ | ✗ | ✓ | ✗ | ✓ | ✓ | ✗ |
eth_sendPrivateRawTransaction | ✓ | ✓ | ✓ | ✓ | ✓ | ✗ | ✓ | ✓ | ✓ |
| ETH refunds | ✗ | ✓ | ✓ | ✓ | ✓ | ✗ | ✓ | ✓ | ✗ |
| custom refund recipient | ✗ | ✓ | ✓ | ✗ | ✓ | ✗ | ✓ | ✓ | ✗ |
| refund on multiple txs | ✗ | ✗ | ✓ | ✗ | ✗ | ✗ | ✓ | ✗ | ✗ |
supports min/maxTimestamp | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Doesn't need blockNumber for cancellations | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
X-Flashbots-Signature | required | - | - | - | optional | optional | optional | optional | optional |
* List of tx hashes from which the refund is calculated
info
Echo API endpoint offer the ability to specify a set of mevBuilders to which the request should be forwarded.
In the case that no mevBuilders are specified, the request will be forwarded to all available builders.