Symbiosis
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User Guide (WebApp)
Liquidity Providers
Cross-chain liquidity engine
Relayers network
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Bridge Contract
The BridgeV2 contract is a proxy between relayers and Portal/Synthesis contracts.
An instance of BridgeV2 contract is deployed on all the blockchains supported by Symbiosis.
Scheme 1, below, shows how BridgeV2 interacts with Portal/Synthesis contracts and relayers.
Scheme 1. Interactions of contracts and relayers.
BridgeV2 accepts calls from:
- 1.Portal/Synthesis contracts, and
- 2.Relayers (MPC addresses).
Relayers only listen to events issued by BridgeV2 contracts. An event issued by BridgeV2 contains all information needed to route the message to an appropriate blockchain.
Scheme 2 explains how BridgeV2 works.
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Scheme 2. Algorithm of interaction with BridgeV2.
Scheme explanation
- 1.Portal/Synthesis accepts calls from users. Please refer to Minting and Burning for more information on how Portal/Synthesis contracts work.
- 2.Steps 1-4 are done within one transaction.
- 3.BridgeV2 issues an event that contains the information needed to route the message to an appropriate blockchain.
- 4.Relayers do their magic and send a transaction (TXN2) to an appropriate destination chain. Please refer to Relayers Network for more information on the relayers.
- 5.Steps 5-6 are done within one transaction.
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