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BUILD-zcashd-tnb-artifacts-ipfs.md

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Building zcashd testnet in a box artifacts

The only change made to a "testnet in a box" artifacts is changing the network magic numbers defined in chainparams.cpp and the branchID in upgrades.cpp.

To produce a new build, the tnbox.py script included in this repo is run against a zcash git clone, then a normal build process is performed.

A Tekon task is included to automate the process.

Make the script tnbox.py script available inside the box.

This is currently handled with an IPFS CID of the script in this repo, and is a variable in the Tekton task, you you can bring your own source modifying script.

Create the tekton task for the tnb build

Using tkn

The zcashd-build-tnb Task should already be deployed, we just need to create an instance of it

Make sure the task is available

$ tkn tasks list
NAME               DESCRIPTION   AGE
...
zcashd-build-tnb                 3 hours ago

Start a task
If no git resources are defined, relax. You just need to provide a "friendly name", git clone url publicly available, and a git commit.
For the rest of the prompts, the defaults should be fine.

$ tkn tasks start zcashd-build-tnb
Please create a new "git" resource for pipeline resource "source"
? Enter a name for a pipeline resource : zc
? Enter a value for url :  https://github.com/zcash/zcash.git
? Enter a value for revision :  v4.1.1
New git resource "zc" has been created
? Value for param `JOBS` of type `string`? (Default is `8`) 8
? Value for param `ipfs-api-service` of type `string`? (Default is `/dns/ipfs-cache/tcp/5001`) /dns/ipfs-cache/tcp/5001
? Value for param `TNBOX_SCRIPT_CID` of type `string`? (Default is `QmdcXSthqb89VF3CwtFXYHiSVZTCrggWPsDzyFSs69Cezg`) QmdcXSthqb89VF3CwtFXYHiSVZTCrggWPsDzyFSs69Cezg
Taskrun started: zcashd-build-tnb-run-jxbhsIn order to track the taskrun progress run:
tkn taskrun logs zcashd-build-tnb-run-jxbhs -f -n default

Follow the task to completion

Watch either the pod logs or task status on the Tekton dashboard.

tkn taskrun logs zcashd-build-tnb-run-zfxmd -f -n default

Produces output like:

build-with-new-magic-numbers] make[2]: Leaving directory '/workspace/source/src'
[build-with-new-magic-numbers] make[1]: Leaving directory '/workspace/source/src'
[build-with-new-magic-numbers] Making all in doc/man
[build-with-new-magic-numbers] make[1]: Entering directory '/workspace/source/doc/man'
[build-with-new-magic-numbers] make[1]: Nothing to be done for 'all'.
[build-with-new-magic-numbers] make[1]: Leaving directory '/workspace/source/doc/man'
[build-with-new-magic-numbers] make[1]: Entering directory '/workspace/source'
[build-with-new-magic-numbers] make[1]: Nothing to be done for 'all-am'.
[build-with-new-magic-numbers] make[1]: Leaving directory '/workspace/source'
[build-with-new-magic-numbers] + tar --strip-components 3 -zvcf ./zcashd-tnb-artifacts-.tgz /workspace/source/src/zcashd /workspace/source/src/zcash-cli /workspace/source/src/zcash-gtest /workspace/source/src/zcash-tx
[build-with-new-magic-numbers] /workspace/source/src/zcashd
[build-with-new-magic-numbers] tar: Removing leading `/' from member names
[build-with-new-magic-numbers] /workspace/source/src/zcash-cli
[build-with-new-magic-numbers] tar: Removing leading `/' from hard link targets
[build-with-new-magic-numbers] /workspace/source/src/zcash-gtest
[build-with-new-magic-numbers] /workspace/source/src/zcash-tx
[build-with-new-magic-numbers] + ipfs --api /dns/ipfs-cache/tcp/5001 add --quieter ./zcashd-tnb-artifacts-.tgz
[build-with-new-magic-numbers] + tee /tekton/results/PIN_ADDED
[build-with-new-magic-numbers] QmTu6kgWwSS8CjzYJUoQJ79sytF7QQcQC9J3gkaQdwJe2d

To retrieve this bundle to update local configmap CIDs:

ipfs --api=/ip4/127.0.0.1/tcp/5002 get /ipfs/QmTu6kgWwSS8CjzYJUoQJ79sytF7QQcQC9J3gkaQdwJe2d -o zcashd-tnb-artifacts-<insertshortsha>.tgz