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Hermes IBC relayer

hermes-banner

Cosmos ecosystem

Build StatusIntegration testsApache 2.0 LicensedRust StableRust 1.85+

Rust implementation of an Inter-Blockchain Communication (IBC) relayer.

This project comprises primarily of 6 crates:

  • ibc-relayer provides an implementation of an IBC relayer, as a library.
  • ibc-relayer-cli is a CLI (a wrapper over the ibc-relayer library), comprising the hermes binary.
  • ibc-chain-registry provides functions to fetch data from the chain registry and automatically generate chain configuration for Hermes.
  • ibc-telemetry is a library for use in the Hermes CLI, for gathering telemetry data and exposing that in a Prometheus endpoint.
  • ibc-relayer-rest is a library for use in the Hermes CLI, for exposing a REST API to inspect the state of the relayer.
  • ibc-test-framework provides the infrastructure and framework for writing end-to-end (E2E) tests that include the spawning of the relayer together with Cosmos full nodes.

See the table below for more details.

⚠️ The ibc and ibc-proto crates have been moved to their own repositories.

The repository also includes TLA+ specifications.

Status

Crate nameTypeVersionDocs
ibc-relayer-clibin: hermesIBC Relayer CLI CrateIBC Relayer CLI Docs
ibc-relayerlibIBC Relayer CrateIBC Relayer Docs
ibc-chain-registrylibChain Registry CrateChain Registry Docs
ibc-relayer-restlibIBC Relayer REST CrateIBC Relayer REST Docs
ibc-telemetrylibIBC Telemetry CrateIBC Telemetry Docs
ibc-test-frameworklibIBC Test Framework CrateIBC Test Framework Docs

Requirements

The crates in this project require Rust 1.85.0.

Hermes Guide

We have a comprehensive guide at hermes.informal.systems.

Support

If you encounter any issues or have questions related to Hermes, we encourage you to open a GitHub issue. This ensures a streamlined process for tracking and resolving problems.

Please use the following link to report your issue: https://github.com/informalsystems/hermes/issues/new?assignees=&labels=&projects=&template=bug-report.md

Providing clear and detailed information in your issue will help us address it more efficiently.

Contributing

IBC is specified in English in the cosmos/ibc repo. Any protocol changes or clarifications should be contributed there.

This repo contains the TLA+ specification and Rust implementation for the IBC modules and relayer. If you're interested in contributing, please comment on an issue or open a new one!

See also CONTRIBUTING.md.

Versioning

We follow Semantic Versioning, though APIs are still under active development.

Resources

License

Copyright © 2023 Informal Systems Inc. and Hermes authors.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use the files in this repository except in compliance with the License. You may obtain a copy of the License at

https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

About

IBC Relayer in Rust

hermes.informal.systems

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Readme
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Hermes IBC relayer
hermes-banner
Cosmos ecosystem
Build StatusIntegration testsApache 2.0 LicensedRust StableRust 1.85+
Rust implementation of an Inter-Blockchain Communication (IBC) relayer.
This project comprises primarily of 6 crates:
  • ibc-relayer provides an implementation of an IBC relayer, as a library.
  • ibc-relayer-cli is a CLI (a wrapper over the ibc-relayer library),
comprising the hermes binary.
  • ibc-chain-registry provides functions to fetch data from
the chain registry and automatically generate chain
configuration for Hermes.
  • ibc-telemetry is a library for use in the Hermes CLI,
for gathering telemetry data and exposing that in a Prometheus endpoint.
  • ibc-relayer-rest is a library for use in the Hermes CLI,
for exposing a REST API to inspect the state of the relayer.
  • ibc-test-framework provides the infrastructure and framework
for writing end-to-end (E2E) tests that include the spawning of the relayer together with Cosmos full nodes.
See the table below for more details.
⚠️ The ibc and ibc-proto crates have been moved to their own repositories.
The repository also includes TLA+ specifications.
Status
Crate nameTypeVersionDocs
ibc-relayer-clibin: hermesIBC Relayer CLI CrateIBC Relayer CLI Docs
ibc-relayerlibIBC Relayer CrateIBC Relayer Docs
ibc-chain-registrylibChain Registry CrateChain Registry Docs
ibc-relayer-restlibIBC Relayer REST CrateIBC Relayer REST Docs
ibc-telemetrylibIBC Telemetry CrateIBC Telemetry Docs
ibc-test-frameworklibIBC Test Framework CrateIBC Test Framework Docs
Requirements
The crates in this project require Rust 1.85.0.
Hermes Guide
We have a comprehensive guide at hermes.informal.systems.
Support
If you encounter any issues or have questions related to Hermes, we encourage you to open a GitHub issue. This ensures a streamlined process for tracking and resolving problems.
Please use the following link to report your issue: https://github.com/informalsystems/hermes/issues/new?assignees=&labels=&projects=&template=bug-report.md
Providing clear and detailed information in your issue will help us address it more efficiently.
Contributing
IBC is specified in English in the cosmos/ibc repo. Any
protocol changes or clarifications should be contributed there.
This repo contains the TLA+ specification and Rust implementation for the IBC
modules and relayer. If you're interested in contributing, please comment on an issue or open a new one!
See also CONTRIBUTING.md.
Versioning
We follow Semantic Versioning, though APIs are still
under active development.
Resources
License
Copyright © 2023 Informal Systems Inc. and Hermes authors.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use the files in this repository except in compliance with the License. You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
About
IBC Relayer in Rust
hermes.informal.systems
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Hermes IBC relayer
hermes-banner
Cosmos ecosystem
Build StatusIntegration testsApache 2.0 LicensedRust StableRust 1.85+
Rust implementation of an Inter-Blockchain Communication (IBC) relayer.
This project comprises primarily of 6 crates:
  • ibc-relayer provides an implementation of an IBC relayer, as a library.
  • ibc-relayer-cli is a CLI (a wrapper over the ibc-relayer library),
comprising the hermes binary.
  • ibc-chain-registry provides functions to fetch data from
the chain registry and automatically generate chain
configuration for Hermes.
  • ibc-telemetry is a library for use in the Hermes CLI,
for gathering telemetry data and exposing that in a Prometheus endpoint.
  • ibc-relayer-rest is a library for use in the Hermes CLI,
for exposing a REST API to inspect the state of the relayer.
  • ibc-test-framework provides the infrastructure and framework
for writing end-to-end (E2E) tests that include the spawning of the relayer together with Cosmos full nodes.
See the table below for more details.
⚠️ The ibc and ibc-proto crates have been moved to their own repositories.
The repository also includes TLA+ specifications.
Status
Crate nameTypeVersionDocs
ibc-relayer-clibin: hermesIBC Relayer CLI CrateIBC Relayer CLI Docs
ibc-relayerlibIBC Relayer CrateIBC Relayer Docs
ibc-chain-registrylibChain Registry CrateChain Registry Docs
ibc-relayer-restlibIBC Relayer REST CrateIBC Relayer REST Docs
ibc-telemetrylibIBC Telemetry CrateIBC Telemetry Docs
ibc-test-frameworklibIBC Test Framework CrateIBC Test Framework Docs
Requirements
The crates in this project require Rust 1.85.0.
Hermes Guide
We have a comprehensive guide at hermes.informal.systems.
Support
If you encounter any issues or have questions related to Hermes, we encourage you to open a GitHub issue. This ensures a streamlined process for tracking and resolving problems.
Please use the following link to report your issue: https://github.com/informalsystems/hermes/issues/new?assignees=&labels=&projects=&template=bug-report.md
Providing clear and detailed information in your issue will help us address it more efficiently.
Contributing
IBC is specified in English in the cosmos/ibc repo. Any
protocol changes or clarifications should be contributed there.
This repo contains the TLA+ specification and Rust implementation for the IBC
modules and relayer. If you're interested in contributing, please comment on an issue or open a new one!
See also CONTRIBUTING.md.
Versioning
We follow Semantic Versioning, though APIs are still
under active development.
Resources
License
Copyright © 2023 Informal Systems Inc. and Hermes authors.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use the files in this repository except in compliance with the License. You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
About
IBC Relayer in Rust
hermes.informal.systems
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Hermes IBC relayer
hermes-banner
Cosmos ecosystem
Build StatusIntegration testsApache 2.0 LicensedRust StableRust 1.85+
Rust implementation of an Inter-Blockchain Communication (IBC) relayer.
This project comprises primarily of 6 crates:
  • ibc-relayer provides an implementation of an IBC relayer, as a library.
  • ibc-relayer-cli is a CLI (a wrapper over the ibc-relayer library),
comprising the hermes binary.
  • ibc-chain-registry provides functions to fetch data from
the chain registry and automatically generate chain
configuration for Hermes.
  • ibc-telemetry is a library for use in the Hermes CLI,
for gathering telemetry data and exposing that in a Prometheus endpoint.
  • ibc-relayer-rest is a library for use in the Hermes CLI,
for exposing a REST API to inspect the state of the relayer.
  • ibc-test-framework provides the infrastructure and framework
for writing end-to-end (E2E) tests that include the spawning of the relayer together with Cosmos full nodes.
See the table below for more details.
⚠️ The ibc and ibc-proto crates have been moved to their own repositories.
The repository also includes TLA+ specifications.
Status
Crate nameTypeVersionDocs
ibc-relayer-clibin: hermesIBC Relayer CLI CrateIBC Relayer CLI Docs
ibc-relayerlibIBC Relayer CrateIBC Relayer Docs
ibc-chain-registrylibChain Registry CrateChain Registry Docs
ibc-relayer-restlibIBC Relayer REST CrateIBC Relayer REST Docs
ibc-telemetrylibIBC Telemetry CrateIBC Telemetry Docs
ibc-test-frameworklibIBC Test Framework CrateIBC Test Framework Docs
Requirements
The crates in this project require Rust 1.85.0.
Hermes Guide
We have a comprehensive guide at hermes.informal.systems.
Support
If you encounter any issues or have questions related to Hermes, we encourage you to open a GitHub issue. This ensures a streamlined process for tracking and resolving problems.
Please use the following link to report your issue: https://github.com/informalsystems/hermes/issues/new?assignees=&labels=&projects=&template=bug-report.md
Providing clear and detailed information in your issue will help us address it more efficiently.
Contributing
IBC is specified in English in the cosmos/ibc repo. Any
protocol changes or clarifications should be contributed there.
This repo contains the TLA+ specification and Rust implementation for the IBC
modules and relayer. If you're interested in contributing, please comment on an issue or open a new one!
See also CONTRIBUTING.md.
Versioning
We follow Semantic Versioning, though APIs are still
under active development.
Resources
License
Copyright © 2023 Informal Systems Inc. and Hermes authors.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use the files in this repository except in compliance with the License. You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
About
IBC Relayer in Rust
hermes.informal.systems
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Hermes IBC relayer
hermes-banner
Cosmos ecosystem
Build StatusIntegration testsApache 2.0 LicensedRust StableRust 1.85+
Rust implementation of an Inter-Blockchain Communication (IBC) relayer.
This project comprises primarily of 6 crates:
  • ibc-relayer provides an implementation of an IBC relayer, as a library.
  • ibc-relayer-cli is a CLI (a wrapper over the ibc-relayer library),
comprising the hermes binary.
  • ibc-chain-registry provides functions to fetch data from
the chain registry and automatically generate chain
configuration for Hermes.
  • ibc-telemetry is a library for use in the Hermes CLI,
for gathering telemetry data and exposing that in a Prometheus endpoint.
  • ibc-relayer-rest is a library for use in the Hermes CLI,
for exposing a REST API to inspect the state of the relayer.
  • ibc-test-framework provides the infrastructure and framework
for writing end-to-end (E2E) tests that include the spawning of the relayer together with Cosmos full nodes.
See the table below for more details.
⚠️ The ibc and ibc-proto crates have been moved to their own repositories.
The repository also includes TLA+ specifications.
Status
Crate nameTypeVersionDocs
ibc-relayer-clibin: hermesIBC Relayer CLI CrateIBC Relayer CLI Docs
ibc-relayerlibIBC Relayer CrateIBC Relayer Docs
ibc-chain-registrylibChain Registry CrateChain Registry Docs
ibc-relayer-restlibIBC Relayer REST CrateIBC Relayer REST Docs
ibc-telemetrylibIBC Telemetry CrateIBC Telemetry Docs
ibc-test-frameworklibIBC Test Framework CrateIBC Test Framework Docs
Requirements
The crates in this project require Rust 1.85.0.
Hermes Guide
We have a comprehensive guide at hermes.informal.systems.
Support
If you encounter any issues or have questions related to Hermes, we encourage you to open a GitHub issue. This ensures a streamlined process for tracking and resolving problems.
Please use the following link to report your issue: https://github.com/informalsystems/hermes/issues/new?assignees=&labels=&projects=&template=bug-report.md
Providing clear and detailed information in your issue will help us address it more efficiently.
Contributing
IBC is specified in English in the cosmos/ibc repo. Any
protocol changes or clarifications should be contributed there.
This repo contains the TLA+ specification and Rust implementation for the IBC
modules and relayer. If you're interested in contributing, please comment on an issue or open a new one!
See also CONTRIBUTING.md.
Versioning
We follow Semantic Versioning, though APIs are still
under active development.
Resources
License
Copyright © 2023 Informal Systems Inc. and Hermes authors.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use the files in this repository except in compliance with the License. You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
About
IBC Relayer in Rust
hermes.informal.systems
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Hermes IBC relayer
hermes-banner
Cosmos ecosystem
Build StatusIntegration testsApache 2.0 LicensedRust StableRust 1.85+
Rust implementation of an Inter-Blockchain Communication (IBC) relayer.
This project comprises primarily of 6 crates:
  • ibc-relayer provides an implementation of an IBC relayer, as a library.
  • ibc-relayer-cli is a CLI (a wrapper over the ibc-relayer library),
comprising the hermes binary.
  • ibc-chain-registry provides functions to fetch data from
the chain registry and automatically generate chain
configuration for Hermes.
  • ibc-telemetry is a library for use in the Hermes CLI,
for gathering telemetry data and exposing that in a Prometheus endpoint.
  • ibc-relayer-rest is a library for use in the Hermes CLI,
for exposing a REST API to inspect the state of the relayer.
  • ibc-test-framework provides the infrastructure and framework
for writing end-to-end (E2E) tests that include the spawning of the relayer together with Cosmos full nodes.
See the table below for more details.
⚠️ The ibc and ibc-proto crates have been moved to their own repositories.
The repository also includes TLA+ specifications.
Status
Crate nameTypeVersionDocs
ibc-relayer-clibin: hermesIBC Relayer CLI CrateIBC Relayer CLI Docs
ibc-relayerlibIBC Relayer CrateIBC Relayer Docs
ibc-chain-registrylibChain Registry CrateChain Registry Docs
ibc-relayer-restlibIBC Relayer REST CrateIBC Relayer REST Docs
ibc-telemetrylibIBC Telemetry CrateIBC Telemetry Docs
ibc-test-frameworklibIBC Test Framework CrateIBC Test Framework Docs
Requirements
The crates in this project require Rust 1.85.0.
Hermes Guide
We have a comprehensive guide at hermes.informal.systems.
Support
If you encounter any issues or have questions related to Hermes, we encourage you to open a GitHub issue. This ensures a streamlined process for tracking and resolving problems.
Please use the following link to report your issue: https://github.com/informalsystems/hermes/issues/new?assignees=&labels=&projects=&template=bug-report.md
Providing clear and detailed information in your issue will help us address it more efficiently.
Contributing
IBC is specified in English in the cosmos/ibc repo. Any
protocol changes or clarifications should be contributed there.
This repo contains the TLA+ specification and Rust implementation for the IBC
modules and relayer. If you're interested in contributing, please comment on an issue or open a new one!
See also CONTRIBUTING.md.
Versioning
We follow Semantic Versioning, though APIs are still
under active development.
Resources
License
Copyright © 2023 Informal Systems Inc. and Hermes authors.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use the files in this repository except in compliance with the License. You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
About
IBC Relayer in Rust
hermes.informal.systems
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Hermes IBC relayer
hermes-banner
Cosmos ecosystem
Build StatusIntegration testsApache 2.0 LicensedRust StableRust 1.85+
Rust implementation of an Inter-Blockchain Communication (IBC) relayer.
This project comprises primarily of 6 crates:
  • ibc-relayer provides an implementation of an IBC relayer, as a library.
  • ibc-relayer-cli is a CLI (a wrapper over the ibc-relayer library),
comprising the hermes binary.
  • ibc-chain-registry provides functions to fetch data from
the chain registry and automatically generate chain
configuration for Hermes.
  • ibc-telemetry is a library for use in the Hermes CLI,
for gathering telemetry data and exposing that in a Prometheus endpoint.
  • ibc-relayer-rest is a library for use in the Hermes CLI,
for exposing a REST API to inspect the state of the relayer.
  • ibc-test-framework provides the infrastructure and framework
for writing end-to-end (E2E) tests that include the spawning of the relayer together with Cosmos full nodes.
See the table below for more details.
⚠️ The ibc and ibc-proto crates have been moved to their own repositories.
The repository also includes TLA+ specifications.
Status
Crate nameTypeVersionDocs
ibc-relayer-clibin: hermesIBC Relayer CLI CrateIBC Relayer CLI Docs
ibc-relayerlibIBC Relayer CrateIBC Relayer Docs
ibc-chain-registrylibChain Registry CrateChain Registry Docs
ibc-relayer-restlibIBC Relayer REST CrateIBC Relayer REST Docs
ibc-telemetrylibIBC Telemetry CrateIBC Telemetry Docs
ibc-test-frameworklibIBC Test Framework CrateIBC Test Framework Docs
Requirements
The crates in this project require Rust 1.85.0.
Hermes Guide
We have a comprehensive guide at hermes.informal.systems.
Support
If you encounter any issues or have questions related to Hermes, we encourage you to open a GitHub issue. This ensures a streamlined process for tracking and resolving problems.
Please use the following link to report your issue: https://github.com/informalsystems/hermes/issues/new?assignees=&labels=&projects=&template=bug-report.md
Providing clear and detailed information in your issue will help us address it more efficiently.
Contributing
IBC is specified in English in the cosmos/ibc repo. Any
protocol changes or clarifications should be contributed there.
This repo contains the TLA+ specification and Rust implementation for the IBC
modules and relayer. If you're interested in contributing, please comment on an issue or open a new one!
See also CONTRIBUTING.md.
Versioning
We follow Semantic Versioning, though APIs are still
under active development.
Resources
License
Copyright © 2023 Informal Systems Inc. and Hermes authors.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use the files in this repository except in compliance with the License. You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
About
IBC Relayer in Rust
hermes.informal.systems
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
Repository files navigation
Hermes IBC relayer
hermes-banner
Cosmos ecosystem
Build StatusIntegration testsApache 2.0 LicensedRust StableRust 1.85+
Rust implementation of an Inter-Blockchain Communication (IBC) relayer.
This project comprises primarily of 6 crates:
  • ibc-relayer provides an implementation of an IBC relayer, as a library.
  • ibc-relayer-cli is a CLI (a wrapper over the ibc-relayer library),
comprising the hermes binary.
  • ibc-chain-registry provides functions to fetch data from
the chain registry and automatically generate chain
configuration for Hermes.
  • ibc-telemetry is a library for use in the Hermes CLI,
for gathering telemetry data and exposing that in a Prometheus endpoint.
  • ibc-relayer-rest is a library for use in the Hermes CLI,
for exposing a REST API to inspect the state of the relayer.
  • ibc-test-framework provides the infrastructure and framework
for writing end-to-end (E2E) tests that include the spawning of the relayer together with Cosmos full nodes.
See the table below for more details.
⚠️ The ibc and ibc-proto crates have been moved to their own repositories.
The repository also includes TLA+ specifications.
Status
Crate nameTypeVersionDocs
ibc-relayer-clibin: hermesIBC Relayer CLI CrateIBC Relayer CLI Docs
ibc-relayerlibIBC Relayer CrateIBC Relayer Docs
ibc-chain-registrylibChain Registry CrateChain Registry Docs
ibc-relayer-restlibIBC Relayer REST CrateIBC Relayer REST Docs
ibc-telemetrylibIBC Telemetry CrateIBC Telemetry Docs
ibc-test-frameworklibIBC Test Framework CrateIBC Test Framework Docs
Requirements
The crates in this project require Rust 1.85.0.
Hermes Guide
We have a comprehensive guide at hermes.informal.systems.
Support
If you encounter any issues or have questions related to Hermes, we encourage you to open a GitHub issue. This ensures a streamlined process for tracking and resolving problems.
Please use the following link to report your issue: https://github.com/informalsystems/hermes/issues/new?assignees=&labels=&projects=&template=bug-report.md
Providing clear and detailed information in your issue will help us address it more efficiently.
Contributing
IBC is specified in English in the cosmos/ibc repo. Any
protocol changes or clarifications should be contributed there.
This repo contains the TLA+ specification and Rust implementation for the IBC
modules and relayer. If you're interested in contributing, please comment on an issue or open a new one!
See also CONTRIBUTING.md.
Versioning
We follow Semantic Versioning, though APIs are still
under active development.
Resources
License
Copyright © 2023 Informal Systems Inc. and Hermes authors.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use the files in this repository except in compliance with the License. You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
About
IBC Relayer in Rust
hermes.informal.systems
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages