feat(tui): add Node wrapper with status polling

Co-Authored-By: Charon <charon@lethean.io>
This commit is contained in:
Claude 2026-02-22 23:52:50 +00:00
parent 04861acf93
commit 572237696a
No known key found for this signature in database
GPG key ID: AF404715446AEB41
4 changed files with 283 additions and 1 deletions

21
go.mod
View file

@ -3,24 +3,43 @@ module forge.lthn.ai/core/go-blockchain
go 1.26.0
require (
forge.lthn.ai/core/cli v0.0.0-00010101000000-000000000000
forge.lthn.ai/core/go-p2p v0.0.0-00010101000000-000000000000
forge.lthn.ai/core/go-store v0.1.0
github.com/charmbracelet/bubbletea v1.3.10
github.com/stretchr/testify v1.11.1
golang.org/x/crypto v0.48.0
)
require (
github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
github.com/charmbracelet/colorprofile v0.4.1 // indirect
github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834 // indirect
github.com/charmbracelet/x/ansi v0.11.4 // indirect
github.com/charmbracelet/x/cellbuf v0.0.14 // indirect
github.com/charmbracelet/x/term v0.2.2 // indirect
github.com/clipperhouse/displaywidth v0.7.0 // indirect
github.com/clipperhouse/stringish v0.1.1 // indirect
github.com/clipperhouse/uax29/v2 v2.4.0 // indirect
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
github.com/dustin/go-humanize v1.0.1 // indirect
github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/kr/text v0.2.0 // indirect
github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/mattn/go-localereader v0.0.1 // indirect
github.com/mattn/go-runewidth v0.0.19 // indirect
github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
github.com/muesli/cancelreader v0.2.2 // indirect
github.com/muesli/termenv v0.16.0 // indirect
github.com/ncruces/go-strftime v1.0.0 // indirect
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
github.com/rivo/uniseg v0.4.7 // indirect
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
golang.org/x/exp v0.0.0-20260212183809-81e46e3db34a // indirect
golang.org/x/sys v0.41.0 // indirect
golang.org/x/text v0.34.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
modernc.org/libc v1.67.7 // indirect
modernc.org/mathutil v1.7.1 // indirect

41
go.sum
View file

@ -1,8 +1,30 @@
github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
github.com/charmbracelet/colorprofile v0.4.1 h1:a1lO03qTrSIRaK8c3JRxJDZOvhvIeSco3ej+ngLk1kk=
github.com/charmbracelet/colorprofile v0.4.1/go.mod h1:U1d9Dljmdf9DLegaJ0nGZNJvoXAhayhmidOdcBwAvKk=
github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834 h1:ZR7e0ro+SZZiIZD7msJyA+NjkCNNavuiPBLgerbOziE=
github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834/go.mod h1:aKC/t2arECF6rNOnaKaVU6y4t4ZeHQzqfxedE/VkVhA=
github.com/charmbracelet/x/ansi v0.11.4 h1:6G65PLu6HjmE858CnTUQY1LXT3ZUWwfvqEROLF8vqHI=
github.com/charmbracelet/x/ansi v0.11.4/go.mod h1:/5AZ+UfWExW3int5H5ugnsG/PWjNcSQcwYsHBlPFQN4=
github.com/charmbracelet/x/cellbuf v0.0.14 h1:iUEMryGyFTelKW3THW4+FfPgi4fkmKnnaLOXuc+/Kj4=
github.com/charmbracelet/x/cellbuf v0.0.14/go.mod h1:P447lJl49ywBbil/KjCk2HexGh4tEY9LH0/1QrZZ9rA=
github.com/charmbracelet/x/term v0.2.2 h1:xVRT/S2ZcKdhhOuSP4t5cLi5o+JxklsoEObBSgfgZRk=
github.com/charmbracelet/x/term v0.2.2/go.mod h1:kF8CY5RddLWrsgVwpw4kAa6TESp6EB5y3uxGLeCqzAI=
github.com/clipperhouse/displaywidth v0.7.0 h1:QNv1GYsnLX9QBrcWUtMlogpTXuM5FVnBwKWp1O5NwmE=
github.com/clipperhouse/displaywidth v0.7.0/go.mod h1:R+kHuzaYWFkTm7xoMmK1lFydbci4X2CicfbGstSGg0o=
github.com/clipperhouse/stringish v0.1.1 h1:+NSqMOr3GR6k1FdRhhnXrLfztGzuG+VuFDfatpWHKCs=
github.com/clipperhouse/stringish v0.1.1/go.mod h1:v/WhFtE1q0ovMta2+m+UbpZ+2/HEXNWYXQgCt4hdOzA=
github.com/clipperhouse/uax29/v2 v2.4.0 h1:RXqE/l5EiAbA4u97giimKNlmpvkmz+GrBVTelsoXy9g=
github.com/clipperhouse/uax29/v2 v2.4.0/go.mod h1:Wn1g7MK6OoeDT0vL+Q0SQLDz/KpfsVRgg6W7ihQeh4g=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e h1:ijClszYn+mADRFY17kjQEVQ1XRhq2/JR1M3sGqeJoxs=
github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
@ -13,18 +35,34 @@ github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/lucasb-eyer/go-colorful v1.3.0 h1:2/yBRLdWBZKrf7gB40FoiKfAWYQ0lqNcbuQwVHXptag=
github.com/lucasb-eyer/go-colorful v1.3.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
github.com/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+EiG4R1k4Cjx5p88=
github.com/mattn/go-runewidth v0.0.19 h1:v++JhqYnZuu5jSKrk9RbgF5v4CGUjqRfBm05byFGLdw=
github.com/mattn/go-runewidth v0.0.19/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 h1:ZK8zHtRHOkbHy6Mmr5D264iyp3TiX5OmNcI5cIARiQI=
github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6/go.mod h1:CJlz5H+gyd6CUWT45Oy4q24RdLyn7Md9Vj2/ldJBSIo=
github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc=
github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
golang.org/x/crypto v0.48.0 h1:/VRzVqiRSggnhY7gNRxPauEQ5Drw9haKdM0jqfcCFts=
golang.org/x/crypto v0.48.0/go.mod h1:r0kV5h3qnFPlQnBSrULhlsRfryS2pmewsg+XfMgkVos=
golang.org/x/exp v0.0.0-20260212183809-81e46e3db34a h1:ovFr6Z0MNmU7nH8VaX5xqw+05ST2uO1exVfZPVqRC5o=
@ -33,9 +71,12 @@ golang.org/x/mod v0.33.0 h1:tHFzIWbBifEmbwtGz65eaWyGiGZatSrT9prnU8DbVL8=
golang.org/x/mod v0.33.0/go.mod h1:swjeQEj+6r7fODbD2cqrnje9PnziFuw4bmLbBZFrQ5w=
golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/text v0.34.0 h1:oL/Qq0Kdaqxa1KbNeMKwQq0reLCCaFtqu2eNuSeNHbk=
golang.org/x/text v0.34.0/go.mod h1:homfLqTYRFyVYemLBFl5GgL/DWEiH5wcsQ5gSh1yziA=
golang.org/x/tools v0.42.0 h1:uNgphsn75Tdz5Ji2q36v/nsFSfR/9BRFvqhGBaJGd5k=
golang.org/x/tools v0.42.0/go.mod h1:Ma6lCIwGZvHK6XtgbswSoWroEkhugApmsXyrUmBhfr0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

71
tui/node.go Normal file
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@ -0,0 +1,71 @@
// Copyright (c) 2017-2026 Lethean (https://lt.hn)
//
// Licensed under the European Union Public Licence (EUPL) version 1.2.
// SPDX-License-Identifier: EUPL-1.2
package tui
import (
"time"
tea "github.com/charmbracelet/bubbletea"
"forge.lthn.ai/core/go-blockchain/chain"
)
// Node wraps a [chain.Chain] and provides bubbletea commands for periodic
// status polling. It does NOT own the sync goroutine — that is managed by
// cmd/chain/main.go.
type Node struct {
chain *chain.Chain
interval time.Duration
}
// NewNode creates a Node backed by the given chain with a default polling
// interval of 2 seconds.
func NewNode(c *chain.Chain) *Node {
return &Node{chain: c, interval: 2 * time.Second}
}
// Chain returns the underlying chain instance.
func (n *Node) Chain() *chain.Chain { return n.chain }
// Status reads the current chain state and returns a snapshot.
func (n *Node) Status() (NodeStatusMsg, error) {
height, err := n.chain.Height()
if err != nil {
return NodeStatusMsg{}, err
}
if height == 0 {
return NodeStatusMsg{Height: 0}, nil
}
_, meta, err := n.chain.TopBlock()
if err != nil {
return NodeStatusMsg{}, err
}
return NodeStatusMsg{
Height: height,
TopHash: meta.Hash,
Difficulty: meta.Difficulty,
TipTime: time.Unix(int64(meta.Timestamp), 0),
}, nil
}
// WaitForStatus returns a tea.Cmd that reads the current chain status
// immediately (no sleep). Use this for Init().
func (n *Node) WaitForStatus() tea.Cmd {
return func() tea.Msg {
status, _ := n.Status()
return status
}
}
// Tick returns a tea.Cmd that sleeps for the polling interval, then
// reads the current chain status.
func (n *Node) Tick() tea.Cmd {
return func() tea.Msg {
time.Sleep(n.interval)
status, _ := n.Status()
return status
}
}

151
tui/node_test.go Normal file
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@ -0,0 +1,151 @@
// Copyright (c) 2017-2026 Lethean (https://lt.hn)
//
// Licensed under the European Union Public Licence (EUPL) version 1.2.
// SPDX-License-Identifier: EUPL-1.2
package tui
import (
"testing"
"time"
store "forge.lthn.ai/core/go-store"
"forge.lthn.ai/core/go-blockchain/chain"
"forge.lthn.ai/core/go-blockchain/types"
"forge.lthn.ai/core/go-blockchain/wire"
)
// testCoinbaseTx returns a minimal v1 coinbase transaction that round-trips
// cleanly through the wire encoder/decoder.
func testCoinbaseTx(height uint64) types.Transaction {
return types.Transaction{
Version: 1,
Vin: []types.TxInput{types.TxInputGenesis{Height: height}},
Vout: []types.TxOutput{types.TxOutputBare{
Amount: 1000000,
Target: types.TxOutToKey{Key: types.PublicKey{0x01}},
}},
Extra: wire.EncodeVarint(0),
Attachment: wire.EncodeVarint(0),
}
}
// seedChain creates an in-memory chain with n blocks.
func seedChain(t *testing.T, n int) *chain.Chain {
t.Helper()
s, err := store.New(":memory:")
if err != nil {
t.Fatalf("store.New: %v", err)
}
t.Cleanup(func() { s.Close() })
c := chain.New(s)
for i := 0; i < n; i++ {
blk := &types.Block{
BlockHeader: types.BlockHeader{
MajorVersion: 1,
Timestamp: 1770897600 + uint64(i)*120,
},
MinerTx: testCoinbaseTx(uint64(i)),
}
meta := &chain.BlockMeta{
Hash: types.Hash{byte(i)},
Height: uint64(i),
Timestamp: 1770897600 + uint64(i)*120,
Difficulty: 1000 + uint64(i)*100,
}
if err := c.PutBlock(blk, meta); err != nil {
t.Fatalf("PutBlock(%d): %v", i, err)
}
}
return c
}
func TestNewNode_Good(t *testing.T) {
c := seedChain(t, 1)
n := NewNode(c)
if n == nil {
t.Fatal("NewNode returned nil")
}
if n.Chain() != c {
t.Error("Chain() does not return the same chain passed to NewNode")
}
}
func TestNode_Status_Good(t *testing.T) {
c := seedChain(t, 10)
n := NewNode(c)
status, err := n.Status()
if err != nil {
t.Fatalf("Status: %v", err)
}
if status.Height != 10 {
t.Errorf("height: got %d, want 10", status.Height)
}
// Top block is at height 9, difficulty = 1000 + 9*100 = 1900.
if status.Difficulty != 1900 {
t.Errorf("difficulty: got %d, want 1900", status.Difficulty)
}
wantHash := types.Hash{9}
if status.TopHash != wantHash {
t.Errorf("top hash: got %x, want %x", status.TopHash, wantHash)
}
wantTime := time.Unix(int64(1770897600+9*120), 0)
if !status.TipTime.Equal(wantTime) {
t.Errorf("tip time: got %v, want %v", status.TipTime, wantTime)
}
}
func TestNode_Status_Empty(t *testing.T) {
c := seedChain(t, 0)
n := NewNode(c)
status, err := n.Status()
if err != nil {
t.Fatalf("Status: %v", err)
}
if status.Height != 0 {
t.Errorf("height: got %d, want 0", status.Height)
}
}
func TestNode_WaitForStatus_Good(t *testing.T) {
c := seedChain(t, 3)
n := NewNode(c)
cmd := n.WaitForStatus()
if cmd == nil {
t.Fatal("WaitForStatus returned nil cmd")
}
msg := cmd()
status, ok := msg.(NodeStatusMsg)
if !ok {
t.Fatalf("WaitForStatus cmd returned %T, want NodeStatusMsg", msg)
}
if status.Height != 3 {
t.Errorf("height: got %d, want 3", status.Height)
}
}
func TestNode_Tick_Good(t *testing.T) {
c := seedChain(t, 5)
n := NewNode(c)
n.interval = 50 * time.Millisecond
start := time.Now()
msg := n.Tick()()
elapsed := time.Since(start)
status, ok := msg.(NodeStatusMsg)
if !ok {
t.Fatalf("Tick cmd returned %T, want NodeStatusMsg", msg)
}
if status.Height != 5 {
t.Errorf("height: got %d, want 5", status.Height)
}
if elapsed < 40*time.Millisecond {
t.Errorf("Tick returned too quickly (%v), expected at least ~50ms", elapsed)
}
}