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make the default network to be mycelium #40

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opened 2026-03-18 13:09:23 +00:00 by thabeta · 3 comments
thabeta commented 2026-03-18 13:09:23 +00:00
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so we don't have to pass --network mycelium all the time and also have a dynamically fetched peers / hardcoded ones as fallback

sudo chvm run --rm --network mycelium \
  --mycelium-peers tcp://188.40.132.242:9651 \
  alpine:latest -- sh -c "apk add --no-cache curl && curl -s http://[$WEB_IP]/"
so we don't have to pass `--network mycelium` all the time and also have a dynamically fetched peers / hardcoded ones as fallback ``` sudo chvm run --rm --network mycelium \ --mycelium-peers tcp://188.40.132.242:9651 \ alpine:latest -- sh -c "apk add --no-cache curl && curl -s http://[$WEB_IP]/" ```
thabeta added this to the ACTIVE project 2026-03-18 13:09:34 +00:00
rawan commented 2026-03-18 13:44:20 +00:00
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Implementation Spec for Issue #40: Make Default Network Mycelium

Objective

Change the default network mode from tap to mycelium so users no longer need to pass --network mycelium on every invocation. Additionally, provide default mycelium peers that fall back to a hardcoded list, so users do not need to pass --mycelium-peers either.

Requirements

  • Change the default network_mode from "tap" to "mycelium" in the global config and CLI arg defaults
  • Change the #[default] derive on NetworkMode enum from Tap to Mycelium
  • Add a default_mycelium_peers field to Config with a hardcoded fallback list of peers
  • When network mode is mycelium and no --mycelium-peers are provided, automatically populate peers from the hardcoded fallback
  • Existing behavior preserved: explicit --network tap or --network none still work; explicit --mycelium-peers overrides defaults

Files to Modify

  • crates/chvm-lib/src/vm/state.rs — Change #[default] on NetworkMode from Tap to Mycelium
  • crates/chvm-lib/src/config.rs — Change default_network_mode() to "mycelium", add default_mycelium_peers field
  • crates/chvm-cli/src/cli.rs — Change CLI default_value = "tap" to "mycelium" for --network arg
  • crates/chvm-lib/src/network/mycelium.rs — Add FALLBACK_PEERS constant and resolve_default_peers() function
  • crates/chvm-lib/src/vm/manager.rs — Auto-populate peers in VM creation when none specified
  • crates/chvm-lib/src/vm/builder.rs — Update test assertions

Implementation Plan

Step 1: Change default NetworkMode enum variant

Files: crates/chvm-lib/src/vm/state.rs

  • Move #[default] from Tap to Mycelium
  • Update network_mode_default test
    Dependencies: none

Step 2: Change global config default and add default peers

Files: crates/chvm-lib/src/config.rs

  • Change default_network_mode() to return "mycelium"
  • Add default_mycelium_peers field with serde default
  • Add hardcoded peer list function
  • Update config tests
    Dependencies: Step 1

Step 3: Change CLI default values

Files: crates/chvm-cli/src/cli.rs

  • Change default_value = "tap" to "mycelium" in RunArgs and CreateArgs
    Dependencies: none

Step 4: Add peer resolution logic

Files: crates/chvm-lib/src/network/mycelium.rs

  • Add FALLBACK_PEERS constant
  • Add resolve_default_peers() function
    Dependencies: none

Step 5: Auto-populate peers in VM creation flow

Files: crates/chvm-lib/src/vm/manager.rs

  • If network mode is Mycelium and peers are empty, use resolve_default_peers()
    Dependencies: Steps 2, 4

Step 6: Update builder tests

Files: crates/chvm-lib/src/vm/builder.rs

  • Update default assertion from NetworkMode::Tap to NetworkMode::Mycelium
    Dependencies: Step 1

Acceptance Criteria

  • chvm run alpine:latest -- sh uses mycelium networking by default
  • Default mycelium peers are automatically provided when none specified
  • --network tap and --network none still work
  • Explicit --mycelium-peers overrides defaults
  • ~/.chvm/config.json can override defaults
  • cargo test --workspace passes
  • cargo clippy -- -D warnings passes

Notes

  • Hardcoded fallback peer: tcp://188.40.132.242:9651 (from the issue) plus other known stable peers
  • Users who rely on TAP by default will need to pass --network tap — intentional UX change per issue request
## Implementation Spec for Issue #40: Make Default Network Mycelium ### Objective Change the default network mode from `tap` to `mycelium` so users no longer need to pass `--network mycelium` on every invocation. Additionally, provide default mycelium peers that fall back to a hardcoded list, so users do not need to pass `--mycelium-peers` either. ### Requirements - Change the default `network_mode` from `"tap"` to `"mycelium"` in the global config and CLI arg defaults - Change the `#[default]` derive on `NetworkMode` enum from `Tap` to `Mycelium` - Add a `default_mycelium_peers` field to `Config` with a hardcoded fallback list of peers - When network mode is `mycelium` and no `--mycelium-peers` are provided, automatically populate peers from the hardcoded fallback - Existing behavior preserved: explicit `--network tap` or `--network none` still work; explicit `--mycelium-peers` overrides defaults ### Files to Modify - `crates/chvm-lib/src/vm/state.rs` — Change `#[default]` on `NetworkMode` from `Tap` to `Mycelium` - `crates/chvm-lib/src/config.rs` — Change `default_network_mode()` to `"mycelium"`, add `default_mycelium_peers` field - `crates/chvm-cli/src/cli.rs` — Change CLI `default_value = "tap"` to `"mycelium"` for `--network` arg - `crates/chvm-lib/src/network/mycelium.rs` — Add `FALLBACK_PEERS` constant and `resolve_default_peers()` function - `crates/chvm-lib/src/vm/manager.rs` — Auto-populate peers in VM creation when none specified - `crates/chvm-lib/src/vm/builder.rs` — Update test assertions ### Implementation Plan #### Step 1: Change default NetworkMode enum variant Files: `crates/chvm-lib/src/vm/state.rs` - Move `#[default]` from `Tap` to `Mycelium` - Update `network_mode_default` test Dependencies: none #### Step 2: Change global config default and add default peers Files: `crates/chvm-lib/src/config.rs` - Change `default_network_mode()` to return `"mycelium"` - Add `default_mycelium_peers` field with serde default - Add hardcoded peer list function - Update config tests Dependencies: Step 1 #### Step 3: Change CLI default values Files: `crates/chvm-cli/src/cli.rs` - Change `default_value = "tap"` to `"mycelium"` in RunArgs and CreateArgs Dependencies: none #### Step 4: Add peer resolution logic Files: `crates/chvm-lib/src/network/mycelium.rs` - Add `FALLBACK_PEERS` constant - Add `resolve_default_peers()` function Dependencies: none #### Step 5: Auto-populate peers in VM creation flow Files: `crates/chvm-lib/src/vm/manager.rs` - If network mode is Mycelium and peers are empty, use `resolve_default_peers()` Dependencies: Steps 2, 4 #### Step 6: Update builder tests Files: `crates/chvm-lib/src/vm/builder.rs` - Update default assertion from `NetworkMode::Tap` to `NetworkMode::Mycelium` Dependencies: Step 1 ### Acceptance Criteria - [ ] `chvm run alpine:latest -- sh` uses mycelium networking by default - [ ] Default mycelium peers are automatically provided when none specified - [ ] `--network tap` and `--network none` still work - [ ] Explicit `--mycelium-peers` overrides defaults - [ ] `~/.chvm/config.json` can override defaults - [ ] `cargo test --workspace` passes - [ ] `cargo clippy -- -D warnings` passes ### Notes - Hardcoded fallback peer: `tcp://188.40.132.242:9651` (from the issue) plus other known stable peers - Users who rely on TAP by default will need to pass `--network tap` — intentional UX change per issue request
rawan commented 2026-03-18 13:52:28 +00:00
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Test Results

  • Clippy: pass (0 warnings, 0 errors)
  • Tests: Total 154, Passed 154, Failed 0

Breakdown by crate

Crate Tests Result
chvm-cli 7 ok
chvm-init 3 ok
chvm-lib 144 ok
chvm-lib (doc-tests) 0 ok

All checks passed successfully.

## Test Results - **Clippy**: pass (0 warnings, 0 errors) - **Tests**: Total 154, Passed 154, Failed 0 ### Breakdown by crate | Crate | Tests | Result | |-------|-------|--------| | chvm-cli | 7 | ok | | chvm-init | 3 | ok | | chvm-lib | 144 | ok | | chvm-lib (doc-tests) | 0 | ok | All checks passed successfully.
rawan commented 2026-03-18 13:55:40 +00:00
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Implementation Summary

Changes Made

6 files modified:

  1. crates/chvm-lib/src/vm/state.rs — Changed NetworkMode default from Tap to Mycelium
  2. crates/chvm-lib/src/config.rs — Changed default_network_mode() to "mycelium", added default_mycelium_peers field with 4 hardcoded public peers
  3. crates/chvm-cli/src/cli.rs — Changed --network CLI default from "tap" to "mycelium" in both RunArgs and CreateArgs
  4. crates/chvm-lib/src/network/mycelium.rs — Added FALLBACK_PEERS constant and resolve_default_peers() function
  5. crates/chvm-lib/src/vm/manager.rs — Auto-populates mycelium peers from config/fallback when none specified by user
  6. crates/chvm-lib/src/vm/builder.rs — Updated test assertion to match new default

Test Results

  • Clippy: ✅ Clean
  • Unit tests: ✅ 154 passed, 0 failed

Behavior Changes

  • chvm run alpine:latest now uses mycelium networking by default (previously used TAP)
  • Default peers are auto-populated: tcp://188.40.132.242:9651, tcp://185.69.166.7:9651, tcp://65.21.231.58:9651, tcp://[2a01:4f9:5a:1042::2]:9651
  • Users can override with --network tap or explicit --mycelium-peers
  • Config file (~/.chvm/config.json) can override default_network_mode and default_mycelium_peers
## Implementation Summary ### Changes Made **6 files modified:** 1. **`crates/chvm-lib/src/vm/state.rs`** — Changed `NetworkMode` default from `Tap` to `Mycelium` 2. **`crates/chvm-lib/src/config.rs`** — Changed `default_network_mode()` to `"mycelium"`, added `default_mycelium_peers` field with 4 hardcoded public peers 3. **`crates/chvm-cli/src/cli.rs`** — Changed `--network` CLI default from `"tap"` to `"mycelium"` in both `RunArgs` and `CreateArgs` 4. **`crates/chvm-lib/src/network/mycelium.rs`** — Added `FALLBACK_PEERS` constant and `resolve_default_peers()` function 5. **`crates/chvm-lib/src/vm/manager.rs`** — Auto-populates mycelium peers from config/fallback when none specified by user 6. **`crates/chvm-lib/src/vm/builder.rs`** — Updated test assertion to match new default ### Test Results - Clippy: ✅ Clean - Unit tests: ✅ 154 passed, 0 failed ### Behavior Changes - `chvm run alpine:latest` now uses mycelium networking by default (previously used TAP) - Default peers are auto-populated: `tcp://188.40.132.242:9651`, `tcp://185.69.166.7:9651`, `tcp://65.21.231.58:9651`, `tcp://[2a01:4f9:5a:1042::2]:9651` - Users can override with `--network tap` or explicit `--mycelium-peers` - Config file (`~/.chvm/config.json`) can override `default_network_mode` and `default_mycelium_peers`
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