feat(cactus-example-discounted-asset-trade): use openapi ethereum connector

[outSH]

• Refactor discounted asset trade sample to use openapi ethereum connector
  instead of ethereum-socketio.
• Use eth signing utils from ethereum connector package.
• Fix nodejs setup in indy-sdk-cli docker image.
• Small fixes after recent ethereum connector refactors.

Depends on: #2645

Signed-off-by: Michal Bajer [email protected]

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[petermetz]

@outSH There's only one parent PR but 4 commits. Does this need a rebase + squash?
The one commit that matches the PR title is looking good otherwise.

[outSH]

@outSH There's only one parent PR but 4 commits. Does this need a rebase + squash? The one commit that matches the PR title is looking good otherwise.

@petermetz These are commits from dependencies of the dependency

[izuru0]

LGTM

[petermetz]

@outSH There's only one parent PR but 4 commits. Does this need a rebase + squash? The one commit that matches the PR title is looking good otherwise.

@petermetz These are commits from dependencies of the dependency

@outSH /facepalm - sorry, I should've known/checked/etc.

[petermetz]

@outSH Looks good but please pass it back for review once the parent PR(s) have been merged and the conflicts have been resolved! (I'm just marking it down as a change request to not forget that I have to take a second pass on it once it reached it's final state)

[outSH]

pass it back for review once the parent PR(s) have been merged and the conflicts have been resolved

@petermetz
Done, I've also included the following changes:

• Use eth signing utils from ethereum connector package.
• Fix nodejs setup in indy-sdk-cli docker image.
• Small fixes after recent ethereum connector refactors.

[petermetz]

pass it back for review once the parent PR(s) have been merged and the conflicts have been resolved

@petermetz Done, I've also included the following changes:

* Use eth signing utils from ethereum connector package.

* Fix nodejs setup in indy-sdk-cli docker image.

* Small fixes after recent ethereum connector refactors.

@outSH Gotcha, LGTM, thank you for the updates!