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blockchain/standalone: Implement a new module. #1808

Merged
merged 2 commits into from
Aug 6, 2019
Merged

blockchain/standalone: Implement a new module. #1808

merged 2 commits into from
Aug 6, 2019

Commits on Aug 6, 2019

  1. TravisCI: Recommended install for golangci-lint.

    @davecgh
    davecgh committed Aug 6, 2019
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  2. blockchain/standalone: Implement a new module. 

    This implements a new module named blockchain/standalone which aims to
provide several of the standalone functions currently available in
blockchain and ultimately replace them in the next major version.

The primary goal of offering these functions via a separate module is to
reduce the required dependencies to a minimum as compared to the
blockchain module.  It will be ideal for applications such as
lightweight clients that need to ensure basic security properties hold
and calculate appropriate vote subsidies and block explorers.

For example, some things an SPV wallet needs to prove are that the block
headers all connect together, that they satisfy the proof of work
requirements, and that a given transaction tree is valid for a given
header.

The new module currently only provides functions related to proof of
work, however, future commits will provide functions for merkle root
calculation, subsidy calculation, and coinbase transaction
identification.  It is being done in stages to help ease review since it
is consensus critical code.

Finally, it also includes comprehensive tests, full package
documentation, and basic usage examples.
    @davecgh
    davecgh committed Aug 6, 2019
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