erigon-pulse/erigon-lib/README.md

# erigon-lib

Parts of Erigon codebase, written from scratch and licensed under Apache 2.0.

## License requirements

erigon-lib dependencies use various open source licenses compatible with Apache 2.0. This is checked on CI using `make lint-licenses`.

In order to keep license purity it is not allowed to refer to the code in the erigon root module from erigon-lib. This is ensured by the `go.mod` separation.

It is not allowed to copy or move code from erigon to erigon-lib unless all original authors agree to relief the code license from GPL to Apache 2.0.

## Code migration policy

It is encouraged to write new erigon code inside erigon-lib.

It is encouraged to move and relicense parts of the code from erigon to erigon-lib
that are safe and easy to move. For example, code written from scratch by erigon core contributors that has no significant external contributions could be refactored and moved.
Add 'erigon-lib/' from commit '93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3' git-subtree-dir: erigon-lib git-subtree-mainline: 3c8cbda8098cc073a668b9e9b0aafe6c361f17da git-subtree-split: 93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3 2023-09-20 12:50:25 +00:00			`# erigon-lib`

make: refactor erigon-lib make tasks (#8249) 2023-09-21 11:50:59 +00:00			`Parts of Erigon codebase, written from scratch and licensed under Apache 2.0.`
Add 'erigon-lib/' from commit '93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3' git-subtree-dir: erigon-lib git-subtree-mainline: 3c8cbda8098cc073a668b9e9b0aafe6c361f17da git-subtree-split: 93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3 2023-09-20 12:50:25 +00:00
make: refactor erigon-lib make tasks (#8249) 2023-09-21 11:50:59 +00:00			`## License requirements`
Add 'erigon-lib/' from commit '93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3' git-subtree-dir: erigon-lib git-subtree-mainline: 3c8cbda8098cc073a668b9e9b0aafe6c361f17da git-subtree-split: 93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3 2023-09-20 12:50:25 +00:00
make: refactor erigon-lib make tasks (#8249) 2023-09-21 11:50:59 +00:00			erigon-lib dependencies use various open source licenses compatible with Apache 2.0. This is checked on CI using `make lint-licenses`.
Add 'erigon-lib/' from commit '93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3' git-subtree-dir: erigon-lib git-subtree-mainline: 3c8cbda8098cc073a668b9e9b0aafe6c361f17da git-subtree-split: 93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3 2023-09-20 12:50:25 +00:00
make: refactor erigon-lib make tasks (#8249) 2023-09-21 11:50:59 +00:00			In order to keep license purity it is not allowed to refer to the code in the erigon root module from erigon-lib. This is ensured by the `go.mod` separation.
Add 'erigon-lib/' from commit '93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3' git-subtree-dir: erigon-lib git-subtree-mainline: 3c8cbda8098cc073a668b9e9b0aafe6c361f17da git-subtree-split: 93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3 2023-09-20 12:50:25 +00:00
make: refactor erigon-lib make tasks (#8249) 2023-09-21 11:50:59 +00:00			`It is not allowed to copy or move code from erigon to erigon-lib unless all original authors agree to relief the code license from GPL to Apache 2.0.`
Add 'erigon-lib/' from commit '93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3' git-subtree-dir: erigon-lib git-subtree-mainline: 3c8cbda8098cc073a668b9e9b0aafe6c361f17da git-subtree-split: 93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3 2023-09-20 12:50:25 +00:00
make: refactor erigon-lib make tasks (#8249) 2023-09-21 11:50:59 +00:00			`## Code migration policy`
Add 'erigon-lib/' from commit '93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3' git-subtree-dir: erigon-lib git-subtree-mainline: 3c8cbda8098cc073a668b9e9b0aafe6c361f17da git-subtree-split: 93d9c9d9fe4bd8a49f7a98a6bce0f0da7094c7d3 2023-09-20 12:50:25 +00:00
make: refactor erigon-lib make tasks (#8249) 2023-09-21 11:50:59 +00:00			`It is encouraged to write new erigon code inside erigon-lib.`

			`It is encouraged to move and relicense parts of the code from erigon to erigon-lib`
			`that are safe and easy to move. For example, code written from scratch by erigon core contributors that has no significant external contributions could be refactored and moved.`