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The round was usable to build the current clock in an accumulated fashion, relative to the previous round. The end time is the absolute metric of it, which can be used to calculate the round number (with all previous end times). Substrate now builds off the best block, not genesis, using the end time included in the justification to start its machine in a synchronized state. Knowing the end time of a round, or the round in which block was committed to, is necessary for nodes to sync up with Tendermint. Encoding it in the commit ensures it's long lasting and makes it readily available, without the load of an entire transaction.
Serai
Serai is a new DEX, built from the ground up, initially planning on listing Bitcoin, Ethereum, Monero, DAI, and USDC, offering a liquidity pool trading experience. Funds are stored in an economically secured threshold multisig wallet.
Layout
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docs: Documentation on the Serai protocol. -
crypto: A series of composable cryptographic libraries built around theff/groupAPIs achieving a variety of tasks. These range from generic infrastructure, to our IETF-compliant FROST implementation, to a DLEq proof as needed for Bitcoin-Monero atomic swaps. -
coins: Various coin libraries intended for usage in Serai yet also by the wider community. This means they will always support the functionality Serai needs, yet won't disadvantage other use cases when possible. -
processor: A generic chain processor to process data for Serai and process events from Serai, executing transactions as expected and needed. -
contracts: Smart Contracts implementing Serai's functionality. -
substrate: Substrate crates used to instantiate the Serai network.