Circle Internet Financial Limited

Marcus Boorstin

Rachel Marison

Oleg Zenchenko

Michael Grant

Sarah Martin

Certain aspects of the present disclosure provide techniques for reporting transactions in a blockchain. The method generally includes instantiating a plurality of worker processes for processing blocks from a blockchain in parallel. Each worker process is generally associated with an offset into a buffer of blocks from the blockchain to be reported to one or more computing resources. A subject block to be reported to the one or more computing resources is selected from the buffer. The subject block is generally a block inserted into the buffer by a worker process. The subject block is validated based on a block number associated with the subject block and a block number of a next block to be reported. Based on validating the subject block, the subject block is reported to the one or more computing resources, and the subject block is marked in the buffer as a reported block.

Parallel block processing in blockchains

Certain aspects of the present disclosure provide techniques for building libraries for invoking smart contracts on a blockchain. The method generally includes compiling first source code in a first programming language defining a smart contract comprising a set of operations to be executed on a blockchain into bytecode for the smart contract based on one or more of information about a compiler to be used to compile the first source code or dependencies specified in the first source code. The bytecode for the smart contract is wrapped in second source code in a second programming language. The second source code is compiled into a portion of a library package through which the smart contract can be programmatically invoked, wherein the portion of the library package specifies version information associated with the smart contract. The library package is deployed for use with the blockchain.

Smart contract distribution infrastructure

Certain aspects of the present disclosure provide techniques for bridging transactions across blockchains. The method generally includes receiving a request to invoke an atomic transaction including operations performed on a first blockchain and operations performed on a second blockchain. Generally, the atomic transaction is completed when an enumerated set of operations are completed. A first operation in the enumerated set of operations is initiated on the first blockchain. Initiating the first operation on the first blockchain triggers initiation of one or more second operations on the second blockchain. Completion of the one or more second operations for the atomic transaction is detected on the second blockchain, indicating that the operations of the atomic transaction relevant to the second blockchain have been completed on the second blockchain. Based on detecting completion of the one or more second operations on the second blockchain, the atomic transaction is finalized on the first blockchain.

Atomically bridging transactions across different blockchains

Certain aspects of the present disclosure provide techniques for reporting transactions in a blockchain. The method generally includes instantiating a plurality of worker processes for processing blocks from a blockchain in parallel, Each worker process is generally associated with an offset into a buffer of blocks from the blockchain to be reported to one or more computing resources. A subject block to be reported to the one or more computing resources is selected from the buffer. The subject block is generally a block inserted into the buffer by a worker process. The subject block is validated based on a block number associated with the subject block and a block number of a next block to be reported Based on validating the subject block, the subject block is reported to the one or more computing resources, and the subject block, is marked in the buffer as a reported block.

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Cambridge, MA, United States of America

Marcus Boorstin