When installed together with @polkadot/api, causing `xxx has multiple versions, ensure that there is only one installed`

will-yjn commented 3 years ago

When installed together with @polkadot/api, there will be many errors:

@polkadot/metadata has multiple versions, ensure that there is only one installed.
Either remove and explicitly install matching versions or deupe using your package manager.
The following conflicting packages were found:
        4.2.1   /Users/will/Desktop/lt/node_modules/@polkadot/metadata
        4.2.1   /Users/will/Desktop/lt/node_modules/@substrate/txwrapper/node_modules/@polkadot/metadata
@polkadot/types-known has multiple versions, ensure that there is only one installed.
Either remove and explicitly install matching versions or deupe using your package manager.
The following conflicting packages were found:
        4.2.1   /Users/will/Desktop/lt/node_modules/@polkadot/types-known
        4.2.1   /Users/will/Desktop/lt/node_modules/@substrate/txwrapper/node_modules/@polkadot/types-known
@polkadot/types has multiple versions, ensure that there is only one installed.
Either remove and explicitly install matching versions or deupe using your package manager.
The following conflicting packages were found:
        4.2.1   /Users/will/Desktop/lt/node_modules/@polkadot/types
        4.2.1   /Users/will/Desktop/lt/node_modules/@substrate/txwrapper/node_modules/@polkadot/types
@polkadot/api has multiple versions, ensure that there is only one installed.
Either remove and explicitly install matching versions or deupe using your package manager.
The following conflicting packages were found:
        4.2.1   /Users/will/Desktop/lt/node_modules/@polkadot/api
        4.2.1   /Users/will/Desktop/lt/node_modules/@substrate/txwrapper/node_modules/@polkadot/api
@polkadot/api-derive has multiple versions, ensure that there is only one installed.
Either remove and explicitly install matching versions or deupe using your package manager.
The following conflicting packages were found:
        4.2.1   /Users/will/Desktop/lt/node_modules/@polkadot/api-derive
        4.2.1   /Users/will/Desktop/lt/node_modules/@substrate/txwrapper/node_modules/@polkadot/api-derive
@polkadot/rpc-core has multiple versions, ensure that there is only one installed.
Either remove and explicitly install matching versions or deupe using your package manager.
The following conflicting packages were found:
        4.2.1   /Users/will/Desktop/lt/node_modules/@polkadot/rpc-core
        4.2.1   /Users/will/Desktop/lt/node_modules/@substrate/txwrapper/node_modules/@polkadot/rpc-core
@polkadot/rpc-provider has multiple versions, ensure that there is only one installed.
Either remove and explicitly install matching versions or deupe using your package manager.
The following conflicting packages were found:
        4.2.1   /Users/will/Desktop/lt/node_modules/@polkadot/rpc-provider
        4.2.1   /Users/will/Desktop/lt/node_modules/@substrate/txwrapper/node_modules/@polkadot/rpc-provider

I definitely need @polkadot/api. But I also need @substrate/txwrapper's functionality to sign transactions offline, and broadcast it later. How do I solve these errors?

emostov commented 3 years ago

I just created a test npm and yarn repo but cannot reproduce this issue. A few ideas to try out though

Make sure you are on the latest version of your package manager so you can get the most up to date dedupe features for the install commands.
Do a clean install: delete your .lock file and node_modules and then reinstall dependencies
Try out a dedupe command from you package manager like npm dedupe
Force the resolution of @polkadot/api to the highest needed version. Yarn has this built in with resolutions key in package.json

will-yjn commented 3 years ago

Yes. I deleted the .lock file and it solves the problem. Thank you very much.

paritytech / txwrapper

When installed together with @polkadot/api, causing `xxx has multiple versions, ensure that there is only one installed` #413