From: Valentine Wallace <vwallace@protonmail.com>
Date: Wed, 24 Feb 2021 00:29:56 +0000 (-0500)
Subject: Fee estimator WIP
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-sample;a=commitdiff_plain;h=a6962463ad036f472c03a67975fd94ba4350f63b

Fee estimator WIP
---

diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..f167acc
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,998 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "autocfg"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+
+[[package]]
+name = "background-processor"
+version = "0.1.0"
+source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=d6f41d3c0b38b9ec9e06a3acfdd9f4b1d007a27d#d6f41d3c0b38b9ec9e06a3acfdd9f4b1d007a27d"
+dependencies = [
+ "bitcoin 0.24.0",
+ "lightning 0.0.12 (git+https://github.com/rust-bitcoin/rust-lightning?rev=d6f41d3c0b38b9ec9e06a3acfdd9f4b1d007a27d)",
+ "lightning-persister 0.0.1 (git+https://github.com/rust-bitcoin/rust-lightning?rev=d6f41d3c0b38b9ec9e06a3acfdd9f4b1d007a27d)",
+]
+
+[[package]]
+name = "base-x"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4521f3e3d031370679b3b140beb36dfe4801b09ac77e30c61941f97df3ef28b"
+
+[[package]]
+name = "base64"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
+
+[[package]]
+name = "bech32"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdcf67bb7ba7797a081cd19009948ab533af7c355d5caf1d08c777582d351e9c"
+
+[[package]]
+name = "bitcoin"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6558aeb12c290cce541a222cba280387161f2bd180a7feb85f8f172cd8ba80e8"
+dependencies = [
+ "bech32",
+ "bitcoin_hashes 0.8.0",
+ "secp256k1 0.18.0",
+]
+
+[[package]]
+name = "bitcoin"
+version = "0.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ec5f88a446d66e7474a3b8fa2e348320b574463fb78d799d90ba68f79f48e0e"
+dependencies = [
+ "bech32",
+ "bitcoin_hashes 0.9.4",
+ "secp256k1 0.20.1",
+]
+
+[[package]]
+name = "bitcoin_hashes"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b0ab784be052cc1e915a78b8aaf5101eebbc2d0ab2b6f5124985f3677ae2bea"
+
+[[package]]
+name = "bitcoin_hashes"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0aaf87b776808e26ae93289bc7d025092b6d909c193f0cdee0b3a86e7bd3c776"
+
+[[package]]
+name = "bitflags"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+
+[[package]]
+name = "bumpalo"
+version = "3.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "099e596ef14349721d9016f6b80dd3419ea1bf289ab9b44df8e4dfd3a005d5d9"
+
+[[package]]
+name = "bytes"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
+
+[[package]]
+name = "bytes"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
+
+[[package]]
+name = "cc"
+version = "1.0.66"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c0496836a84f8d0495758516b8621a622beb77c0fed418570e50764093ced48"
+
+[[package]]
+name = "cfg-if"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "chunked_transfer"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fff857943da45f546682664a79488be82e69e43c1a7a2307679ab9afb3a66d2e"
+
+[[package]]
+name = "const_fn"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28b9d6de7f49e22cf97ad17fc4036ece69300032f45f78f30b4a4482cdc3f4a6"
+
+[[package]]
+name = "discard"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
+
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
+name = "fuchsia-cprng"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
+
+[[package]]
+name = "fuchsia-zircon"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
+dependencies = [
+ "bitflags",
+ "fuchsia-zircon-sys",
+]
+
+[[package]]
+name = "fuchsia-zircon-sys"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
+
+[[package]]
+name = "futures"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da9052a1a50244d8d5aa9bf55cbc2fb6f357c86cc52e46c62ed390a7180cf150"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2d31b7ec7efab6eefc7c57233bb10b847986139d88cc2f5a02a1ae6871a1846"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+]
+
+[[package]]
+name = "futures-core"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79e5145dde8da7d1b3892dad07a9c98fc04bc39892b1ecc9692cf53e2b780a65"
+
+[[package]]
+name = "futures-executor"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9e59fdc009a4b3096bf94f740a0f2424c082521f20a9b08c5c07c48d90fd9b9"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28be053525281ad8259d47e4de5de657b25e7bac113458555bb4b70bc6870500"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c287d25add322d9f9abdcdc5927ca398917996600182178774032e9f8258fedd"
+dependencies = [
+ "proc-macro-hack",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "caf5c69029bda2e743fddd0582d1083951d65cc9539aebf8812f36c3491342d6"
+
+[[package]]
+name = "futures-task"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13de07eb8ea81ae445aca7b69f5f7bf15d7bf4912d8ca37d6645c77ae8a58d86"
+dependencies = [
+ "once_cell",
+]
+
+[[package]]
+name = "futures-util"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "632a8cd0f2a4b3fdea1657f08bde063848c3bd00f9bbf6e256b8be78802e624b"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
+ "futures-task",
+ "memchr",
+ "pin-project-lite 0.2.4",
+ "pin-utils",
+ "proc-macro-hack",
+ "proc-macro-nested",
+ "slab",
+]
+
+[[package]]
+name = "hermit-abi"
+version = "0.1.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "hex"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "805026a5d0141ffc30abb3be3173848ad46a1b1664fe632428479619a3644d77"
+
+[[package]]
+name = "iovec"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "itoa"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
+
+[[package]]
+name = "kernel32-sys"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
+dependencies = [
+ "winapi 0.2.8",
+ "winapi-build",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "ldk-tutorial-node"
+version = "0.1.0"
+dependencies = [
+ "background-processor",
+ "base64",
+ "bitcoin 0.26.0",
+ "hex",
+ "lightning 0.0.12 (git+https://github.com/rust-bitcoin/rust-lightning?rev=c35002fa9c16042badfa5e7bf819df5f1d2ae60a)",
+ "lightning-block-sync",
+ "lightning-invoice",
+ "lightning-net-tokio",
+ "lightning-persister 0.0.1 (git+https://github.com/rust-bitcoin/rust-lightning?rev=aa127f55edc4439b03426644d178e402397329e8)",
+ "rand",
+ "serde_json",
+ "time",
+ "tokio 0.2.25",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.86"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7282d924be3275cec7f6756ff4121987bc6481325397dde6ba3e7802b1a8b1c"
+
+[[package]]
+name = "lightning"
+version = "0.0.12"
+dependencies = [
+ "bitcoin 0.24.0",
+]
+
+[[package]]
+name = "lightning"
+version = "0.0.12"
+source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=aa127f55edc4439b03426644d178e402397329e8#aa127f55edc4439b03426644d178e402397329e8"
+dependencies = [
+ "bitcoin 0.24.0",
+]
+
+[[package]]
+name = "lightning"
+version = "0.0.12"
+source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=c35002fa9c16042badfa5e7bf819df5f1d2ae60a#c35002fa9c16042badfa5e7bf819df5f1d2ae60a"
+dependencies = [
+ "bitcoin 0.24.0",
+]
+
+[[package]]
+name = "lightning"
+version = "0.0.12"
+source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=d6f41d3c0b38b9ec9e06a3acfdd9f4b1d007a27d#d6f41d3c0b38b9ec9e06a3acfdd9f4b1d007a27d"
+dependencies = [
+ "bitcoin 0.24.0",
+]
+
+[[package]]
+name = "lightning"
+version = "0.0.12"
+source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=ff00f6f8861419b73269e6c51d75ac9de75f1d1f#ff00f6f8861419b73269e6c51d75ac9de75f1d1f"
+dependencies = [
+ "bitcoin 0.24.0",
+]
+
+[[package]]
+name = "lightning-block-sync"
+version = "0.0.1"
+dependencies = [
+ "bitcoin 0.24.0",
+ "chunked_transfer",
+ "futures",
+ "lightning 0.0.12",
+ "serde",
+ "serde_json",
+ "tokio 1.2.0",
+]
+
+[[package]]
+name = "lightning-invoice"
+version = "0.4.0"
+source = "git+https://github.com/rust-bitcoin/rust-lightning-invoice?rev=ea25dc7e46a6339493032c500db4fe3a8fdb1acd#ea25dc7e46a6339493032c500db4fe3a8fdb1acd"
+dependencies = [
+ "bech32",
+ "bitcoin_hashes 0.9.4",
+ "num-traits",
+ "secp256k1 0.20.1",
+]
+
+[[package]]
+name = "lightning-net-tokio"
+version = "0.0.5"
+source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=ff00f6f8861419b73269e6c51d75ac9de75f1d1f#ff00f6f8861419b73269e6c51d75ac9de75f1d1f"
+dependencies = [
+ "bitcoin 0.24.0",
+ "lightning 0.0.12 (git+https://github.com/rust-bitcoin/rust-lightning?rev=ff00f6f8861419b73269e6c51d75ac9de75f1d1f)",
+ "tokio 1.2.0",
+]
+
+[[package]]
+name = "lightning-persister"
+version = "0.0.1"
+source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=aa127f55edc4439b03426644d178e402397329e8#aa127f55edc4439b03426644d178e402397329e8"
+dependencies = [
+ "bitcoin 0.24.0",
+ "libc",
+ "lightning 0.0.12 (git+https://github.com/rust-bitcoin/rust-lightning?rev=aa127f55edc4439b03426644d178e402397329e8)",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "lightning-persister"
+version = "0.0.1"
+source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=d6f41d3c0b38b9ec9e06a3acfdd9f4b1d007a27d#d6f41d3c0b38b9ec9e06a3acfdd9f4b1d007a27d"
+dependencies = [
+ "bitcoin 0.24.0",
+ "libc",
+ "lightning 0.0.12 (git+https://github.com/rust-bitcoin/rust-lightning?rev=d6f41d3c0b38b9ec9e06a3acfdd9f4b1d007a27d)",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "log"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
+dependencies = [
+ "cfg-if 1.0.0",
+]
+
+[[package]]
+name = "memchr"
+version = "2.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
+
+[[package]]
+name = "mio"
+version = "0.6.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4afd66f5b91bf2a3bc13fad0e21caedac168ca4c707504e75585648ae80e4cc4"
+dependencies = [
+ "cfg-if 0.1.10",
+ "fuchsia-zircon",
+ "fuchsia-zircon-sys",
+ "iovec",
+ "kernel32-sys",
+ "libc",
+ "log",
+ "miow 0.2.2",
+ "net2",
+ "slab",
+ "winapi 0.2.8",
+]
+
+[[package]]
+name = "mio"
+version = "0.7.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e50ae3f04d169fcc9bde0b547d1c205219b7157e07ded9c5aff03e0637cb3ed7"
+dependencies = [
+ "libc",
+ "log",
+ "miow 0.3.6",
+ "ntapi",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "miow"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebd808424166322d4a38da87083bfddd3ac4c131334ed55856112eb06d46944d"
+dependencies = [
+ "kernel32-sys",
+ "net2",
+ "winapi 0.2.8",
+ "ws2_32-sys",
+]
+
+[[package]]
+name = "miow"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a33c1b55807fbed163481b5ba66db4b2fa6cde694a5027be10fb724206c5897"
+dependencies = [
+ "socket2",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "net2"
+version = "0.2.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "391630d12b68002ae1e25e8f974306474966550ad82dac6886fb8910c19568ae"
+dependencies = [
+ "cfg-if 0.1.10",
+ "libc",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "ntapi"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f6bb902e437b6d86e03cce10a7e2af662292c5dfef23b65899ea3ac9354ad44"
+dependencies = [
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "num_cpus"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05499f3756671c15885fee9034446956fff3f243d6077b91e5767df161f766b3"
+dependencies = [
+ "hermit-abi",
+ "libc",
+]
+
+[[package]]
+name = "once_cell"
+version = "1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13bd41f508810a131401606d54ac32a467c97172d74ba7662562ebba5ad07fa0"
+
+[[package]]
+name = "pin-project-lite"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c917123afa01924fc84bb20c4c03f004d9c38e5127e3c039bbf7f4b9c76a2f6b"
+
+[[package]]
+name = "pin-project-lite"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439697af366c49a6d0a010c56a0d97685bc140ce0d377b13a2ea2aa42d64a827"
+
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
+[[package]]
+name = "proc-macro-hack"
+version = "0.5.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
+
+[[package]]
+name = "proc-macro-nested"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "991431c3519a3f36861882da93630ce66b52918dcf1b8e2fd66b397fc96f28df"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "rand"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
+dependencies = [
+ "fuchsia-cprng",
+ "libc",
+ "rand_core 0.3.1",
+ "rdrand",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
+dependencies = [
+ "rand_core 0.4.2",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
+
+[[package]]
+name = "rdrand"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver",
+]
+
+[[package]]
+name = "ryu"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
+
+[[package]]
+name = "secp256k1"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f3f534ef4e9dfa6c4b2ccca131f791daddf9cc2123b4124615cb144ea91611a"
+dependencies = [
+ "secp256k1-sys 0.2.0",
+]
+
+[[package]]
+name = "secp256k1"
+version = "0.20.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "733b114f058f260c0af7591434eef4272ae1a8ec2751766d3cb89c6df8d5e450"
+dependencies = [
+ "secp256k1-sys 0.4.0",
+]
+
+[[package]]
+name = "secp256k1-sys"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71453d9b088b19ae43a803d88ecaa876b11ed8999df024cca4becb6be9aee351"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "secp256k1-sys"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67e4b6455ee49f5901c8985b88f98fb0a0e1d90a6661f5a03f4888bd987dad29"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
+[[package]]
+name = "serde"
+version = "1.0.123"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "92d5161132722baa40d802cc70b15262b98258453e85e5d1d365c757c73869ae"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.123"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9391c295d64fc0abb2c556bad848f33cb8296276b1ad2677d1ae1ace4f258f31"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.62"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea1c6153794552ea7cf7cf63b1231a25de00ec90db326ba6264440fa08e31486"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "sha1"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
+
+[[package]]
+name = "slab"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
+
+[[package]]
+name = "socket2"
+version = "0.3.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "122e570113d28d773067fab24266b66753f6ea915758651696b6e35e49f88d6e"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "standback"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2beb4d1860a61f571530b3f855a1b538d0200f7871c63331ecd6f17b1f014f8"
+dependencies = [
+ "version_check",
+]
+
+[[package]]
+name = "stdweb"
+version = "0.4.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d022496b16281348b52d0e30ae99e01a73d737b2f45d38fed4edf79f9325a1d5"
+dependencies = [
+ "discard",
+ "rustc_version",
+ "stdweb-derive",
+ "stdweb-internal-macros",
+ "stdweb-internal-runtime",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "stdweb-derive"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_derive",
+ "syn",
+]
+
+[[package]]
+name = "stdweb-internal-macros"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58fa5ff6ad0d98d1ffa8cb115892b6e69d67799f6763e162a1c9db421dc22e11"
+dependencies = [
+ "base-x",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "sha1",
+ "syn",
+]
+
+[[package]]
+name = "stdweb-internal-runtime"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
+
+[[package]]
+name = "syn"
+version = "1.0.60"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
+[[package]]
+name = "time"
+version = "0.2.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1195b046942c221454c2539395f85413b33383a067449d78aab2b7b052a142f7"
+dependencies = [
+ "const_fn",
+ "libc",
+ "standback",
+ "stdweb",
+ "time-macros",
+ "version_check",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "time-macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "957e9c6e26f12cb6d0dd7fc776bb67a706312e7299aed74c8dd5b17ebb27e2f1"
+dependencies = [
+ "proc-macro-hack",
+ "time-macros-impl",
+]
+
+[[package]]
+name = "time-macros-impl"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5c3be1edfad6027c69f5491cf4cb310d1a71ecd6af742788c6ff8bced86b8fa"
+dependencies = [
+ "proc-macro-hack",
+ "proc-macro2",
+ "quote",
+ "standback",
+ "syn",
+]
+
+[[package]]
+name = "tokio"
+version = "0.2.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6703a273949a90131b290be1fe7b039d0fc884aa1935860dfcbe056f28cd8092"
+dependencies = [
+ "bytes 0.5.6",
+ "fnv",
+ "iovec",
+ "lazy_static",
+ "memchr",
+ "mio 0.6.23",
+ "num_cpus",
+ "pin-project-lite 0.1.11",
+ "slab",
+]
+
+[[package]]
+name = "tokio"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8190d04c665ea9e6b6a0dc45523ade572c088d2e6566244c1122671dbf4ae3a"
+dependencies = [
+ "autocfg",
+ "bytes 1.0.1",
+ "libc",
+ "memchr",
+ "mio 0.7.7",
+ "num_cpus",
+ "pin-project-lite 0.2.4",
+ "tokio-macros",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "caf7b11a536f46a809a8a9f0bb4237020f70ecbf115b842360afb127ea2fda57"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
+
+[[package]]
+name = "version_check"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
+
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.70"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55c0f7123de74f0dab9b7d00fd614e7b19349cd1e2f5252bbe9b1754b59433be"
+dependencies = [
+ "cfg-if 1.0.0",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.70"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7bc45447f0d4573f3d65720f636bbcc3dd6ce920ed704670118650bcd47764c7"
+dependencies = [
+ "bumpalo",
+ "lazy_static",
+ "log",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.70"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b8853882eef39593ad4174dd26fc9865a64e84026d223f63bb2c42affcbba2c"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.70"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4133b5e7f2a531fa413b3a1695e925038a05a71cf67e87dafa295cb645a01385"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.70"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd4945e4943ae02d15c13962b38a5b1e81eadd4b71214eee75af64a4d6a4fd64"
+
+[[package]]
+name = "winapi"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-build"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "ws2_32-sys"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
+dependencies = [
+ "winapi 0.2.8",
+ "winapi-build",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 66b986c..154874a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,3 +7,17 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+background-processor = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "d6f41d3c0b38b9ec9e06a3acfdd9f4b1d007a27d" }
+base64 = "0.13.0"
+bitcoin = "0.26"
+hex = "0.3"
+lightning = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "c35002fa9c16042badfa5e7bf819df5f1d2ae60a" }
+# lightning-block-sync = { git = "https://github.com/valentinewallace/rust-lightning", rev = "21deebf64b4e6ba3f104dc6c68efa5d3abc4c0f7", features = ["tokio", "rpc-client"] }
+lightning-block-sync = { path = "../rust-lightning/lightning-block-sync", features = ["rpc-client", "expose-rpc" ] }
+lightning-invoice = { git = "https://github.com/rust-bitcoin/rust-lightning-invoice", rev = "ea25dc7e46a6339493032c500db4fe3a8fdb1acd" }
+lightning-net-tokio = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "ff00f6f8861419b73269e6c51d75ac9de75f1d1f" }
+lightning-persister = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "aa127f55edc4439b03426644d178e402397329e8" }
+time = "0.2"
+rand = "0.4"
+serde_json = { version = "1.0" }
+tokio = { version = "0.2", features = ["io-std", "io-util", "rt-threaded", "tcp", "time", "sync"] }
diff --git a/src/main.rs b/src/main.rs
index e7a11a9..d8b0f23 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,68 @@
+use base64;
+use serde_json;
+
+use lightning::chain::chaininterface::{ConfirmationTarget, FeeEstimator};
+use lightning::util::logger::{Logger, Record};
+use lightning_block_sync::http::HttpEndpoint;
+use lightning_block_sync::rpc::RpcClient;
+
+use std::sync::Mutex;
+
+pub struct BitcoindFeeEstimator {
+    bitcoind_rpc_client: Mutex<RpcClient>,
+}
+
+impl BitcoindFeeEstimator {
+    fn new(host: String, port: u16, path: Option<String>, rpc_user: String, rpc_password: String) ->
+        std::io::Result<Self>
+    {
+        let mut http_endpoint = HttpEndpoint::for_host(host).with_port(port);
+        if let Some(p) = path {
+            http_endpoint = http_endpoint.with_path(p);
+        }
+        let rpc_credentials = base64::encode(format!("{}:{}", rpc_user, rpc_password));
+        let bitcoind_rpc_client = RpcClient::new(&rpc_credentials, http_endpoint)?;
+        Ok(Self {
+            bitcoind_rpc_client: Mutex::new(bitcoind_rpc_client)
+        })
+    }
+}
+
+impl FeeEstimator for BitcoindFeeEstimator {
+    fn get_est_sat_per_1000_weight(&self, confirmation_target: ConfirmationTarget) -> u32 {
+        let mut rpc_client_guard = self.bitcoind_rpc_client.lock().unwrap();
+        match confirmation_target {
+            ConfirmationTarget::Background => {
+                let conf_target = serde_json::json!(144);
+                let estimate_mode = serde_json::json!("ECONOMICAL");
+                let resp = rpc_client_guard.call_method("estimatesmartfee",
+                                                        &vec![conf_target, estimate_mode]).unwrap();
+                resp["feerate"].as_u64().unwrap() as u32
+            },
+            ConfirmationTarget::Normal => {
+                let conf_target = serde_json::json!(18);
+                let estimate_mode = serde_json::json!("ECONOMICAL");
+                let resp = rpc_client_guard.call_method("estimatesmartfee",
+                                                        &vec![conf_target, estimate_mode]).unwrap();
+                resp["feerate"].as_u64().unwrap() as u32
+            },
+            ConfirmationTarget::HighPriority => {
+                let conf_target = serde_json::json!(6);
+                let estimate_mode = serde_json::json!("CONSERVATIVE");
+                let resp = rpc_client_guard.call_method("estimatesmartfee",
+                                                        &vec![conf_target, estimate_mode]).unwrap();
+                resp["feerate"].as_u64().unwrap() as u32
+            },
+        }
+    }
+}
+
 fn main() {
-    println!("Hello, world!");
+    let bitcoind_host = "127.0.0.1".to_string();
+    let bitcoind_port = 18443;
+    let rpc_user = "polaruser".to_string();
+    let rpc_password = "polarpass".to_string();
+    let fee_estimator = BitcoindFeeEstimator::new(bitcoind_host, bitcoind_port, None, rpc_user, rpc_password).unwrap();
+    let normal_fee = fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::Normal);
+    println!("VMW: {}", normal_fee);
 }