feat: implement inflating tail emission

This PR primarily adds tail emission inflation as a featuer; but it does
so using feature gates, which were broken in a few places, and so a big
part of this PR is resolving issues related to feature gates.

== Tail emission inflation

Adds a feature tari_feature_mainnet_emission to allow for tail emission
inflation. See #6122

This change necessitates the addition of 2 new consensus constants:
`inflation_bips` -- the annual inflation rate of the total supply.
and `tail_emission_epoch_length`, which controls the tail emission
inflation. These replace `tail_emission`.

We update the Protobuf definition for ConsensusConstants to account for
the new fields.

== Getting Feature flags working

When formally implementing compiler features, the setting of the `TARI_NETWORK`
and (from now) `TARI_TARGET_NETWORK` envar and the related compiler flags matter.

These changes require that when tests run, the correct network flags are set.

For example, blocks::genesis_block::test::stagenet_genesis_sanity_check should
only run when TARI_NETWORK=stagenet.

While writing this PR, I uncovered a problem:
There is not a 1:1 mapping between the build _target_ and the actual
network the binary may run on. E.g. the mainnet build can run on either
stagenet or mainnet.

Unfortunately the `TARI_NETWORK` envar was used to set both of these
variables. Without using feature flags, this discrepency went unnoticed.
With feature flags, a lot of tests that implicitly assumed say a mainnet
target and a stagenet run would simply fail, with no way to resolve the
issue.

Since these are 2 different things, this commit introduced
`TARI_TARGET_NETWORK` whicg sets the **build target**. In most contexts,
this then decouples the configured network, which is specified by the
`TARI_NETWORK` envar  as usual.

The other changes in this commit revolve around updating merkle roots
and the correct faucet sets to make the target/network/faucet
combination consistent.

== CI workflows

The CI is configured to run tests for each of
* Testnet (Esme)
* Nextnet (Nextnet)
* Mainnet (Mainnet, with some tests specifying stagenet)

.config/nextest.toml

@@ -3,3 +3,15 @@ slow-timeout = { period = "60s", terminate-after=2}
 
 [profile.ci.junit]  # this can be some other profile, too
 path = "junit.xml"
+
+[profile.intellij]
+retries = 0
+slow-timeout = { period = "30s" }
+failure-output = "immediate-final"
+fail-fast = false
+
+[profile.intellij.junit]  # this can be some other profile, too
+path = "junit.xml"
+
+
+

.github/workflows/base_node_binaries.yml

@@ -102,8 +102,10 @@ jobs:
         run: |
           source buildtools/multinet_envs.sh ${{ github.ref_name }}
           echo ${TARI_NETWORK}
+          echo ${TARI_TARGET_NETWORK}
           echo ${TARI_NETWORK_DIR}
           echo "TARI_NETWORK=${TARI_NETWORK}" >> $GITHUB_ENV
+          echo "TARI_TARGET_NETWORK=${TARI_TARGET_NETWORK}" >> $GITHUB_ENV
           echo "TARI_NETWORK_DIR=${TARI_NETWORK_DIR}" >> $GITHUB_ENV
           echo "TARI_NETWORK_DIR=${TARI_NETWORK_DIR}" >> $GITHUB_OUTPUT
 

.github/workflows/build_dockers_workflow.yml

@@ -119,6 +119,8 @@ jobs:
           source tari/buildtools/multinet_envs.sh ${{github.ref_name}}
           echo ${TARI_NETWORK}
           echo "TARI_NETWORK=${TARI_NETWORK}" >> $GITHUB_ENV
+          echo ${TARI_TARGET_NETWORK}
+          echo "TARI_TARGET_NETWORK=${TARI_TARGET_NETWORK}" >> $GITHUB_ENV
 
       - name: environment setup
         shell: bash
@@ -225,6 +227,7 @@ jobs:
             APP_NAME=${{ matrix.builds.app_name }}
             APP_EXEC=${{ matrix.builds.app_exec }}
             TARI_NETWORK=${{ env.TARI_NETWORK }}
+            TARI_TARGET_NETWORK=${{ env.TARI_TARGET_NETWORK }}
             ${{ env.DOCKER_SUBTAG }}
           tags: |
             ${{ steps.meta.outputs.tags }}

.github/workflows/build_libffis.yml

@@ -102,8 +102,10 @@ jobs:
         run: |
           source buildtools/multinet_envs.sh ${{ github.ref_name }}
           echo ${TARI_NETWORK}
+          echo ${TARI_TARGET_NETWORK}
           echo ${TARI_NETWORK_CHANGELOG}
           echo "TARI_NETWORK=${TARI_NETWORK}" >> $GITHUB_ENV
+          echo "TARI_TARGET_NETWORK=${TARI_TARGET_NETWORK}" >> $GITHUB_ENV
           echo "TARI_NETWORK_CHANGELOG=${TARI_NETWORK_CHANGELOG}" >> $GITHUB_ENV
 
       - name: Declare Android/iOS envs

.github/workflows/ci.yml

@@ -167,6 +167,12 @@ jobs:
     permissions:
       checks: write
       pull-requests: write
+    strategy:
+      matrix:
+        tari_target_network: ["testnet", "nextnet", "mainnet"]
+    env:
+      TARI_TARGET_NETWORK: ${{ matrix.tari_target_network }}
+      RUST_LOG: debug
     steps:
       - name: checkout
         uses: actions/checkout@v4
@@ -192,8 +198,9 @@ jobs:
             ~/.cargo/registry/CACHEDIR.TAG
             ~/.cargo/git
             target
-          key: tari-${{ runner.os }}-${{ runner.cpu-model }}-${{ env.toolchain }}-nightly-${{ hashFiles('**/Cargo.lock') }}
+          key: tari-${{ runner.os }}-${{ runner.cpu-model }}-${{ env.toolchain }}-nightly-${{ hashFiles('**/Cargo.lock') }}-${{ matrix.tari_target_network }}
           restore-keys: |
+            tari-${{ runner.os }}-${{ runner.cpu-model }}-${{ env.toolchain }}-nightly-${{ hashFiles('**/Cargo.lock') }}-${{ matrix.tari_target_network }}
             tari-${{ runner.os }}-${{ runner.cpu-model }}-${{ env.toolchain }}-nightly-${{ hashFiles('**/Cargo.lock') }}
             tari-${{ runner.os }}-${{ runner.cpu-model }}-${{ env.toolchain }}-nightly
       - name: Install cargo-nextest