diff --git a/dex/testing/xmr/harness.sh b/dex/testing/xmr/harness.sh
index ea96f0d15d..876fef3e2e 100755
--- a/dex/testing/xmr/harness.sh
+++ b/dex/testing/xmr/harness.sh
@@ -2,7 +2,7 @@
 # Tmux script that sets up an XMR regtest harness with one node 'alpha' and 3
 # wallets 'fred', 'bill' & 'charlie'. Charlie also has a View-Only sibling.
 
-###############################################################################
+################################################################################
 # Development
 ################################################################################
 
@@ -12,7 +12,7 @@
 # Monero RPC functions
 ################################################################################
 
-source monero_functions.inc
+source monero_functions
 
 ################################################################################
 # Start up
@@ -78,8 +78,8 @@ mkdir -p "${HARNESS_CTL_DIR}"
 mkdir -p "${ALPHA_DATA_DIR}"
 touch    "${ALPHA_REGTEST_CFG}"           # currently empty
 
-# make available from the harness-ctl dir 
-cp monero_functions.inc ${HARNESS_CTL_DIR} 
+# make available from the harness-ctl dir
+cp monero_functions ${HARNESS_CTL_DIR}
 
 # Background watch mining in window ??? by default:
 # 'export NOMINER="1"' or uncomment this line to disable
@@ -93,7 +93,7 @@ echo "Writing ctl scripts"
 # Daemon info
 cat > "${HARNESS_CTL_DIR}/alpha_info" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 get_info ${ALPHA_NODE_RPC_PORT}
 EOF
 chmod +x "${HARNESS_CTL_DIR}/alpha_info"
@@ -105,7 +105,7 @@ chmod +x "${HARNESS_CTL_DIR}/alpha_info"
 # - do_not_relay to other nodes - defaults to false
 cat > "${HARNESS_CTL_DIR}/alpha_sendrawtransaction" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 sendrawtransaction ${ALPHA_NODE_RPC_PORT} \$1 \$2 2>/dev/null
 EOF
 chmod +x "${HARNESS_CTL_DIR}/alpha_sendrawtransaction"
@@ -117,7 +117,7 @@ chmod +x "${HARNESS_CTL_DIR}/alpha_sendrawtransaction"
 # - decode_as_json - defaults to false
 cat > "${HARNESS_CTL_DIR}/alpha_get_transactions" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 get_transactions ${ALPHA_NODE_RPC_PORT} \$1 \$2 2>/dev/null
 EOF
 chmod +x "${HARNESS_CTL_DIR}/alpha_get_transactions"
@@ -128,7 +128,7 @@ chmod +x "${HARNESS_CTL_DIR}/alpha_get_transactions"
 # - txids as hex string - "hash1,hash2,hash3,..."
 cat > "${HARNESS_CTL_DIR}/alpha_get_transactions_details" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 get_transactions ${ALPHA_NODE_RPC_PORT} \$1 true 2>/dev/null | jq '.txs[] | .as_json | fromjson'
 EOF
 chmod +x "${HARNESS_CTL_DIR}/alpha_get_transactions_details"
@@ -137,7 +137,7 @@ chmod +x "${HARNESS_CTL_DIR}/alpha_get_transactions_details"
 # Mempool info
 cat > "${HARNESS_CTL_DIR}/alpha_transaction_pool" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 get_transaction_pool ${ALPHA_NODE_RPC_PORT} 2>/dev/null
 EOF
 chmod +x "${HARNESS_CTL_DIR}/alpha_transaction_pool"
@@ -148,7 +148,7 @@ chmod +x "${HARNESS_CTL_DIR}/alpha_transaction_pool"
 # - number of blocks to mine
 cat > "${HARNESS_CTL_DIR}/mine-to-bill" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 generate ${BILL_WALLET_PRIMARY_ADDRESS} ${ALPHA_NODE_RPC_PORT} \$1
 sleep 1
 EOF
@@ -162,7 +162,7 @@ chmod +x "${HARNESS_CTL_DIR}/mine-to-bill"
 # - lock time in blocks after which the money can be spent (defaults to 0; no locking)
 cat > "${HARNESS_CTL_DIR}/fred_transfer_to" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 transfer_simple ${FRED_WALLET_RPC_PORT} \$1 \$2 \$3
 sleep 0.5
 EOF
@@ -176,7 +176,7 @@ chmod +x "${HARNESS_CTL_DIR}/fred_transfer_to"
 # - lock time in blocks after which the money can be spent (defaults to 0; no locking)
 cat > "${HARNESS_CTL_DIR}/bill_transfer_to" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 transfer_simple ${BILL_WALLET_RPC_PORT} \$1 \$2 \$3
 sleep 0.5
 EOF
@@ -190,7 +190,7 @@ chmod +x "${HARNESS_CTL_DIR}/bill_transfer_to"
 # - lock time in blocks after which the money can be spent (defaults to 0; no locking)
 cat > "${HARNESS_CTL_DIR}/charlie_transfer_to" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 transfer_simple ${CHARLIE_WALLET_RPC_PORT} \$1 \$2 \$3
 sleep 0.5
 EOF
@@ -202,7 +202,7 @@ chmod +x "${HARNESS_CTL_DIR}/charlie_transfer_to"
 # - account number - defaults to account 0
 cat > "${HARNESS_CTL_DIR}/fred_balance" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 get_balance ${FRED_WALLET_RPC_PORT} \$1
 EOF
 chmod +x "${HARNESS_CTL_DIR}/fred_balance"
@@ -213,7 +213,7 @@ chmod +x "${HARNESS_CTL_DIR}/fred_balance"
 # - account number - defaults to account 0
 cat > "${HARNESS_CTL_DIR}/bill_balance" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 get_balance ${BILL_WALLET_RPC_PORT} \$1
 EOF
 chmod +x "${HARNESS_CTL_DIR}/bill_balance"
@@ -224,7 +224,7 @@ chmod +x "${HARNESS_CTL_DIR}/bill_balance"
 # - account number - defaults to account 0
 cat > "${HARNESS_CTL_DIR}/charlie_balance" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 get_balance ${CHARLIE_WALLET_RPC_PORT} \$1
 EOF
 chmod +x "${HARNESS_CTL_DIR}/charlie_balance"
@@ -233,7 +233,7 @@ chmod +x "${HARNESS_CTL_DIR}/charlie_balance"
 # Update fred's wallet from the daemon latest info
 cat > "${HARNESS_CTL_DIR}/fred_refresh_wallet" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 refresh_wallet ${FRED_WALLET_RPC_PORT}
 EOF
 chmod +x "${HARNESS_CTL_DIR}/fred_refresh_wallet"
@@ -242,7 +242,7 @@ chmod +x "${HARNESS_CTL_DIR}/fred_refresh_wallet"
 # Update bill's wallet from the daemon latest info
 cat > "${HARNESS_CTL_DIR}/bill_refresh_wallet" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 refresh_wallet ${BILL_WALLET_RPC_PORT}
 EOF
 chmod +x "${HARNESS_CTL_DIR}/bill_refresh_wallet"
@@ -251,7 +251,7 @@ chmod +x "${HARNESS_CTL_DIR}/bill_refresh_wallet"
 # Update charlie's wallet from the daemon latest info
 cat > "${HARNESS_CTL_DIR}/charlie_refresh_wallet" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 refresh_wallet ${CHARLIE_WALLET_RPC_PORT}
 EOF
 chmod +x "${HARNESS_CTL_DIR}/charlie_refresh_wallet"
@@ -262,7 +262,7 @@ chmod +x "${HARNESS_CTL_DIR}/charlie_refresh_wallet"
 # - transfer_type - defualts to "all"
 cat > "${HARNESS_CTL_DIR}/fred_incoming_transfers" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 incoming_transfers ${FRED_WALLET_RPC_PORT} \$1
 EOF
 chmod +x "${HARNESS_CTL_DIR}/fred_incoming_transfers"
@@ -273,7 +273,7 @@ chmod +x "${HARNESS_CTL_DIR}/fred_incoming_transfers"
 # - transfer_type - defaults to "all"
 cat > "${HARNESS_CTL_DIR}/charlie_incoming_transfers" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 incoming_transfers ${CHARLIE_WALLET_RPC_PORT} \$1
 EOF
 chmod +x "${HARNESS_CTL_DIR}/charlie_incoming_transfers"
@@ -284,7 +284,7 @@ chmod +x "${HARNESS_CTL_DIR}/charlie_incoming_transfers"
 # - all - defaults to true - otherwise only new outputs since the last call
 cat > "${HARNESS_CTL_DIR}/fred_export_outputs" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 export_outputs ${FRED_WALLET_RPC_PORT} \$1
 EOF
 chmod +x "${HARNESS_CTL_DIR}/fred_export_outputs"
@@ -295,7 +295,7 @@ chmod +x "${HARNESS_CTL_DIR}/fred_export_outputs"
 # - all - defaults to true - otherwise only new outputs since the last call
 cat > "${HARNESS_CTL_DIR}/charlie_export_outputs" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 export_outputs ${CHARLIE_WALLET_RPC_PORT} \$1
 EOF
 chmod +x "${HARNESS_CTL_DIR}/charlie_export_outputs"
@@ -306,7 +306,7 @@ chmod +x "${HARNESS_CTL_DIR}/charlie_export_outputs"
 # - all - defaults to true - otherwise only new outputs since the last call .. not useful for view wallet
 cat > "${HARNESS_CTL_DIR}/charlie_view_export_outputs" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 export_outputs ${CHARLIE_VIEW_WALLET_RPC_PORT} \$1
 EOF
 chmod +x "${HARNESS_CTL_DIR}/charlie_view_export_outputs"
@@ -317,7 +317,7 @@ chmod +x "${HARNESS_CTL_DIR}/charlie_view_export_outputs"
 # - all - defaults to true - otherwise only new outputs since the last call
 cat > "${HARNESS_CTL_DIR}/fred_export_key_images" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 export_key_images ${FRED_WALLET_RPC_PORT} \$1
 EOF
 chmod +x "${HARNESS_CTL_DIR}/fred_export_key_images"
@@ -328,7 +328,7 @@ chmod +x "${HARNESS_CTL_DIR}/fred_export_key_images"
 # - all - defaults to true - otherwise only new outputs since the last call
 cat > "${HARNESS_CTL_DIR}/charlie_export_key_images" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 export_key_images ${CHARLIE_WALLET_RPC_PORT} \$1
 EOF
 chmod +x "${HARNESS_CTL_DIR}/charlie_export_key_images"
@@ -341,10 +341,10 @@ chmod +x "${HARNESS_CTL_DIR}/charlie_export_key_images"
 # - lock time in blocks after which the money can be spent (defaults to 0; no locking)
 # outputs:
 # - tx_blob
-# - tx_hash 
+# - tx_hash
 cat > "${HARNESS_CTL_DIR}/fred_build_tx" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 transfer_no_relay ${FRED_WALLET_RPC_PORT} \$1 \$2 \$3 | jq -nr '[inputs] | add | .result.tx_blob, .result.tx_hash'
 EOF
 chmod +x "${HARNESS_CTL_DIR}/fred_build_tx"
@@ -357,10 +357,10 @@ chmod +x "${HARNESS_CTL_DIR}/fred_build_tx"
 # - lock time in blocks after which the money can be spent (defaults to 0; no locking)
 # outputs:
 # - tx_blob
-# - tx_hash 
+# - tx_hash
 cat > "${HARNESS_CTL_DIR}/charlie_build_tx" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 transfer_no_relay ${CHARLIE_WALLET_RPC_PORT} \$1 \$2 \$3 | jq -nr '[inputs] | add | .result.tx_blob, .result.tx_hash'
 EOF
 chmod +x "${HARNESS_CTL_DIR}/charlie_build_tx"
@@ -403,7 +403,7 @@ chmod +x "${HARNESS_CTL_DIR}/quit"
 # Commands help
 cat > "${NODES_ROOT}/harness-ctl/help" <<EOF
 #!/usr/bin/env bash
-source monero_functions.inc
+source monero_functions
 cmd_help | less
 EOF
 chmod +x "${HARNESS_CTL_DIR}/help"
@@ -470,7 +470,7 @@ tmux send-keys -t $SESSION:2 "monero-wallet-rpc \
    --rpc-bind-port ${FRED_WALLET_RPC_PORT} \
    --wallet-dir ${FRED_WALLET_DIR} \
    --disable-rpc-login \
-   --allow-mismatched-daemon-version; tmux wait-for -S fredxmr" C-m 
+   --allow-mismatched-daemon-version; tmux wait-for -S fredxmr" C-m
 
 sleep 2
 
@@ -568,12 +568,12 @@ get_balance ${BILL_WALLET_RPC_PORT}
 # transfer some money from bill-the-miner to fred and charlie
 for money in 10000000000000 18000000000000 5000000000000 7000000000000 1000000000000 15000000000000 3000000000000 25000000000000
 do
-	transfer_simple ${BILL_WALLET_RPC_PORT} ${money} ${FRED_WALLET_PRIMARY_ADDRESS}
-	sleep 1 
+    transfer_simple ${BILL_WALLET_RPC_PORT} ${money} ${FRED_WALLET_PRIMARY_ADDRESS}
+	sleep 1
 	transfer_simple ${BILL_WALLET_RPC_PORT} ${money} ${CHARLIE_WALLET_PRIMARY_ADDRESS}
-	sleep 1 
-   generate ${BILL_WALLET_PRIMARY_ADDRESS} ${ALPHA_NODE_RPC_PORT} 1
-   sleep 1
+	sleep 1
+    generate ${BILL_WALLET_PRIMARY_ADDRESS} ${ALPHA_NODE_RPC_PORT} 1
+    sleep 1
 done
 
 # generate charlie view only wallet (no spend key)
diff --git a/dex/testing/xmr/monero_functions.inc b/dex/testing/xmr/monero_functions
similarity index 99%
rename from dex/testing/xmr/monero_functions.inc
rename to dex/testing/xmr/monero_functions
index 8d53d50a14..2cca8f226e 100644
--- a/dex/testing/xmr/monero_functions.inc
+++ b/dex/testing/xmr/monero_functions
@@ -83,7 +83,7 @@ restore_deterministic_wallet() {
 	local seed="${4:?input seed 25 words from English wordlist}"
 	params="{\"filename\":\"${wallet_name}\",\"password\":\"${pass}\",\"seed\":\"${seed}\"}"
 	monero-rpc-request "${port}" "restore_deterministic_wallet" "${params}" | jq '.'
- }
+}
 
 generate_from_keys() {
 	local port="${1:?input a monero wallet port}"
@@ -207,15 +207,15 @@ export_key_images() {
 
 import_key_images() {
 	local port="${1:?input a valid wallet rpc port}"
-	local signed_key_images="${2:?input a a set valid  key images}" # json array of signed key images:
+	local signed_key_images="${2:?input a a set valid  key images}" # json array of signed key images
 	params="{\"signed_key_images\":\"${signed_key_images}\"}"
 	monero-rpc-request "${port}" "import_key_images" "${params}"
 }
 
-# transfer monero to 1 recipient at their account 0, subaddress-indeces [0] 
-# but do not send. If called from a normal wallet with keys it generates a 
+# transfer monero to 1 recipient at their account 0, subaddress-indeces [0]
+# but do not send. If called from a normal wallet with keys it generates a
 # signed tx. Iff it is called for a view only wallet (like watch only) an
-# unsigned_txset (an unsigned tx) will be also returned. This can then be 
+# unsigned_txset (an unsigned tx) will be also returned. This can then be
 # signed by the parent full wallet proxy but offline (i.e. not connected to
 # alpha node) using the interactive monero-wallet-cli.
 #
@@ -238,10 +238,10 @@ transfer_no_relay() {
 }
 
 # sign a prepared unsigned txset -- offline manual experimental
-# 
+#
 # Note: can only be done by an offline cold wallet that has never been "online"
 # use the monero-wallet-cli interactive tool instead in a manual process with
-# an unconnected charlie_view wallet which holds the inputs but not any keys.
+# an unconnected charlie_view wallet which holds the inputs but not any spend keys.
 sign_transfer() {
 	local port="${1:?input a valid wallet rpc port for a cold wallet}"
 	local unsigned_txset="${2:?input an unsigned tx set}"
@@ -322,7 +322,7 @@ cmd_help() {
 	echo "  - amount in in atomic units 1e12 - e.g. 1230000000000 = 1.23 XMR"
 	echo "  - address - recipient primary address - account index 0, subaddr_indeces [0]"
 	echo "  - unlock_time - unlock after n blocks and make spendable - defaults to 0 (no lock)"
-	echo ""   
+	echo ""
 	echo "fred_export_outputs"
 	echo "- export fred outputs hex"
 	echo "- input:"