Add pooling

Add pooling

Add pooling

Add pooling

Add pooling

Add pooling

Node.js v14 transition

Transition to nodejs v14 (#296)

• Upgrade packages to their newest version

• Tests updated

• Fixed memory leak by caching web3.js loadContract() calls

Node.js v14 transition

Transition to nodejs v14 (#296)

* Upgrade packages to their newest version

* Tests updated

* Fixed memory leak by caching web3.js loadContract() calls

Improving bundle transfer resolve

Improving bundle transfer resolve

Fix target for drop bundle fee

Sending fee for drop bundle to uploader.

Added drop bundle functionality

Added drop bundle functionality.

Added check for bundle expiration from upload timestamp

Added check for bundle expiration from upload timestamp

Cancelation of expired bundles transfers.

Cancelation of expired bundles transfers.